मराठी

NCERT Exemplar solutions for Chemistry [English] Class 11 chapter 9 - Hydrogen [Latest edition]

Advertisements

Chapters

NCERT Exemplar solutions for Chemistry [English] Class 11 chapter 9 - Hydrogen - Shaalaa.com
Advertisements

Solutions for Chapter 9: Hydrogen

Below listed, you can find solutions for Chapter 9 of CBSE NCERT Exemplar for Chemistry [English] Class 11.


Multiple Choice Questions (Type - I)
Multiple Choice Questions (Type - I) [Pages 113 - 122]

NCERT Exemplar solutions for Chemistry [English] Class 11 9 Hydrogen Multiple Choice Questions (Type - I) [Pages 113 - 122]

Multiple Choice Questions (Type - I) | Q 1 | Page 113

Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors which one is most important in this respect?

  • Its tendency to lose an electron to form a cation.

  • Its tendency to gain a single electron in its valence shell to attain stable electronic configuration.

  • Its low negative electron gain enthalpy value.

  • Its small size.

Multiple Choice Questions (Type - I) | Q 2 | Page 113

Why does \[\ce{H+}\] ion always get associated with other atoms or molecules?

  • Ionisation enthalpy of hydrogen resembles that of alkali metals.

  • Its reactivity is similar to halogens.

  • It resembles both alkali metals and halogens.

  • Loss of an electron from hydrogen atom results in a nucleus of very small size as compared to other atoms or ions. Due to smal size it cannot exist free.

Multiple Choice Questions (Type - I) | Q 3 | Page 113

Metal hydrides are ionic, covalent or molecular in nature. Among \[\ce{LiH, NaH, KH, RbH, CsH}\], the correct order of increasing ionic character is ______.

  • \[\ce{LiH > NaH > CsH > KH > RbH}\]

  • \[\ce{LiH < NaH < KH < RbH < CsH}\]

  • \[\ce{RbH > CsH > NaH > KH > LiH}\]

  • \[\ce{NaH > CsH > RbH > LiH > KH}\]

Multiple Choice Questions (Type - I) | Q 4 | Page 113

Which of the following hydrides is electron-precise hydride?

  • \[\ce{B2H6}\]

  • \[\ce{NH3}\]

  • \[\ce{H2O}\]

  • \[\ce{CH4}\]

Multiple Choice Questions (Type - I) | Q 5 | Page 114

Radioactive elements emit α, β and γ rays and are characterised by their half-lives. The radioactive isotope of hydrogen is ______.

  • Protium

  • Deuterium

  • Tritium

  • Hydronium

Multiple Choice Questions (Type - I) | Q 6 | Page 114

Consider the reactions

(A) \[\ce{H2O2 + 2HI -> I2 + 2H2O}\]

(B) \[\ce{HOCl + H2O2 -> H3O+ + Cl- + O2}\]

Which of the following statements is correct about \[\ce{H2O2}\] with reference to these reactions? Hydrogen perioxide is ______.

  • an oxidising agent in both (A) and (B).

  • an oxidising agent in (A) and reducing agent in (B).

  • a reducing agent in (A) and oxidising agent in (B).

  • a reducing agent in both (A) and (B).

Multiple Choice Questions (Type - I) | Q 7 | Page 114

The oxide that gives \[\ce{H2O2}\] on treatment with dilute \[\ce{H2SO4}\] is ______.

  • \[\ce{PbO2}\]

  • \[\ce{BaO2 . 8H2O + O2}\]

  • \[\ce{MnO2}\]

  • \[\ce{TiO2}\]

Multiple Choice Questions (Type - I) | Q 8 | Page 114

Which of the following equations depict the oxidising nature of \[\ce{H2O2}\]?

  • \[\ce{2MnO^{-}4 + 6H^{+} + 5H2O2 -> 2Mn^{2+} + 8H2O + 5O2}\]

  • \[\ce{2Fe^{3+} + 2H^{+} + H2O2 -> 2Fe^{2+} + 2H2O + O2}\]

  • \[\ce{2I^{-} + 2H^{+} + H2O2 -> I2 + 2H2O}\]

  • \[\ce{KIO4 + H2O2 -> KIO3 + H2O + O2}\]

Multiple Choice Questions (Type - I) | Q 9 | Page 114

Which of the following equation depicts reducing nature of \[\ce{H2O2}\]?

  • \[\ce{2[Fe(CN)6]^{4-} + 2H^{+} + H2O2 -> 2[Fe(CN)6]^{3-} + 2H2O}\]

  • \[\ce{I2 + H2O2 + 2OH^{-} -> 2I^{-} + 2H2O + O2}\]

  • \[\ce{Mn^{2+} + H2O2 -> Mn^{4+} + 2OH-}\]

  • \[\ce{PbS + 4H2O2 -> PbSO4 + 4H2O}\]

Multiple Choice Questions (Type - I) | Q 10 | Page 115

Hydrogen peroxide is ______.

  • an oxidising agent

  • a reducing agent

  • both an oxidising and a reducing agent

  • neither oxidising nor reducing agent

Multiple Choice Questions (Type - I) | Q 11 | Page 115

Which of the following reactions increases production of dihydrogen from synthesis gas?

  • \[\ce{CH4 (g) + H2O (g) ->[1270 K][Ni] CO (g) + 3H2 (g)}\]

  • \[\ce{C (s) + H2O (g) ->[1270 K] CO (g) + H2 (g)}\]

  • \[\ce{CO (g) + H2O (g) ->[673 K][Catalyst] CO2 (g) + H2 (g)}\]

  • \[\ce{C2H6 + 2H2O ->[1270 K][Ni] 2CO + 5H2}\]

Multiple Choice Questions (Type - I) | Q 12 | Page 115

When sodium peroxide is treated with dilute sulphuric acid, we get ______.

  • sodium sulphate and water

  • sodium sulphate and oxygen

  • sodium sulphate, hydrogen and oxygen

  • sodium sulphate and hydrogen peroxide

Multiple Choice Questions (Type - I) | Q 13 | Page 115

Hydrogen peroxide is obtained by the electrolysis of ______.

  • water

  • sulphuric acid

  • hydrochloric acid

  • fused sodium peroxide

Multiple Choice Questions (Type - I) | Q 14 | Page 115

Which of the following reactions is an example of use of water gas in the synthesis of other compounds?

  • \[\ce{CH4 (g) + H2O (g) ->[1270 K][Ni] CO (g) + H2 (g)}\]

  • \[\ce{CO (g) + H2O (g) ->[673 K][Catalyst] CO2 (g) + H2 (g)}\]

  • \[\ce{C_{{n}}H_{2{n} + 2} + {n}H2O (g) ->[1270 K][Ni] {n}CO + (2n + 1) H2}\]

  • \[\ce{CO (g) + 2H2 (g) ->[Cobalt][Catalyst] CH3OH (l)}\]

Multiple Choice Questions (Type - I) | Q 15 | Page 115

Which of the following ions will cause hardness in water sample?

  • \[\ce{Ca^{2+}}\]

  • \[\ce{Na+}\]

  • \[\ce{Cl-}\]

  • \[\ce{K+}\]

Multiple Choice Questions (Type - I) | Q 16 | Page 116

Which of the following compounds is used for water softening?

  • \[\ce{Ca3(PO4)2}\]

  • \[\ce{Na3PO4}\]

  • \[\ce{Na6P6O18}\]

  • \[\ce{Na2HPO4}\]

Multiple Choice Questions (Type - I) | Q 17 | Page 116

Elements of which of the following group(s) of periodic table do not form hydrides.

  • Groups 7, 8, 9

  • Group 13

  • Groups 15, 16, 17

  • Group 14

Multiple Choice Questions (Type - I) | Q 18 | Page 116

Only one element of ______ forms hydride.

  • group 6

  • group 7

  • group 8

  • group 9

Multiple Choice Questions (Type - I) | Q 19 | Page 116

Which of the following statements are not true for hydrogen?

(i) It exists as diatomic molecule.

(ii) It has one electron in the outermost shell.

(iii) It can lose an electron to form a cation which can freely exist.

(iv) It forms a large number of ionic compounds by losing an electron.

Multiple Choice Questions (Type - I) | Q 20 | Page 116

Dihydrogen can be prepared on commercial scale by different methods. In its preparation by the action of steam on hydrocarbons, a mixture of \[\ce{CO}\] and \[\ce{H2}\] gas is formed. It is known as:

(i) Water gas.

(ii) Syngas.

(iii) Producer gas.

(d) Industrial gas.

Multiple Choice Questions (Type - I) | Q 21 | Page 116

Which of the following statement(s) is/are correct in the case of heavy water?

(i) Heavy water is used as a moderator in nuclear reactor.

(ii) Heavy water is more effective as solvent than ordinary water.

(iii) Heavy water is more associated than ordinary water.

(iv) Heavy water has lower boiling point than ordinary water.

Multiple Choice Questions (Type - I) | Q 22 | Page 117

Which of the following statements about hydrogen are correct?

(i) Hydrogen has three isotopes of which protium is the most common.

(ii) Hydrogen never acts as cation in ionic salts.

(iii) Hydrogen ion, \[\ce{H+}\], exists freely in solution.

(iv) Dihydrogen does not act as a reducing agent.

Multiple Choice Questions (Type - I) | Q 23 | Page 117

Some of the properties of water are described below. Which of them is/are not correct?

(i) Water is known to be a universal solvent.

(ii) Hydrogen bonding is present to a large extent in liquid water.

(iii) There is no hydrogen bonding in the frozen state of water.

(iv) Frozen water is heavier than liquid water.

Multiple Choice Questions (Type - I) | Q 24 | Page 117

Hardness of water may be temporary or permanent. Permanent hardness is due to the presence of:

(i) Chlorides of \[\ce{Ca}\] and \[\ce{Mg}\] in water.

(ii) Sulphates of \[\ce{Ca}\] and \[\ce{Mg}\] in water.

(iii) Hydrogen carbonates of \[\ce{Ca}\] and \[\ce{Mg}\] in water.

(iv) Carbonates of alkali metals in water.

Multiple Choice Questions (Type - I) | Q 25 | Page 117

Which of the following statements is correct?

(i) Elements of group 15 form electron deficient hydrides.

(ii) All elements of group 14 form electron precise hydrides.

(iii) Electron precise hydrides have tetrahedral geometries.

(iv) Electron rich hydrides can act as Lewis acids.

Multiple Choice Questions (Type - I) | Q 26 | Page 117

Which of the following statements is correct?

(i) Hydrides of group 13 act as Lewis acids.

(ii) Hydrides of group 14 are electron deficient hydrides.

(iii) Hydrides of group 14 act as Lewis acids.

(iv) Hydrides of group 15 act as Lewis bases.

Multiple Choice Questions (Type - I) | Q 27 | Page 117

Which of the following statements is correct?

(i) Metallic hydrides are deficient of hydrogen.

(ii) Metallic hydrides conduct heat and electricity.

(iii) Ionic hydrides do not conduct electricity in solid-state.

(iv) Ionic hydrides are very good conductors of electricity in solid state.

Multiple Choice Questions (Type - I) | Q 28 | Page 118

How can production of hydrogen from water gas be increased by using water gas shift reaction?

Multiple Choice Questions (Type - I) | Q 29 | Page 118

What are metallic/interstitial hydrides? How do they differ from molecular hydrides?

Multiple Choice Questions (Type - I) | Q 30 | Page 118

Name the classes of hydrides to which \[\ce{H2O, B2H6}\] and \[\ce{NaH}\] belong.

Multiple Choice Questions (Type - I) | Q 31 | Page 118

If same mass of liquid water and a piece of ice is taken, then why is the density of ice less than that of liquid water?

Multiple Choice Questions (Type - I) | Q 32.(i) | Page 118

Complete the following equations:

\[\ce{PbS (s) + H2O2 (aq) ->}\]

Multiple Choice Questions (Type - I) | Q 32.(ii) | Page 118

Complete the following equations:

\[\ce{CO (g) + 2H2 (g) ->[Cobalt][Catalyst]}\]

Multiple Choice Questions (Type - I) | Q 33.(i) | Page 118

Give reasons: Lakes freeze from top towards bottom.

Multiple Choice Questions (Type - I) | Q 33.(ii) | Page 118

Give reasons: Ice floats on water.

Multiple Choice Questions (Type - I) | Q 34 | Page 118

What do you understand by the term ‘auto protolysis of water’ ? What is its significance?

Multiple Choice Questions (Type - I) | Q 35 | Page 118

Discuss briefly de-mineralisation of water by ion exchange resin.

Multiple Choice Questions (Type - I) | Q 36 | Page 118

Molecular hydrides are classified as electron-deficient, electron precise and electron-rich compounds. Explain each type with two examples.

Multiple Choice Questions (Type - I) | Q 37 | Page 118

How is heavy water prepared? Compare its physical properties with those of ordinary water.

Multiple Choice Questions (Type - I) | Q 38 | Page 118

Write one chemical reaction for the preparation of \[\ce{D2O2}\].

Multiple Choice Questions (Type - I) | Q 39 | Page 118

Calculate the strength of 5 volume \[\ce{H2O2}\] solution.

Multiple Choice Questions (Type - I) | Q 40.(i) | Page 118

Draw the gas phase and solid phase structure of \[\ce{H2O2}\].

Multiple Choice Questions (Type - I) | Q 40.(ii) | Page 118

\[\ce{H2O2}\] is a better oxidising agent than water. Explain.

Multiple Choice Questions (Type - I) | Q 41 | Page 118

Melting point, enthalpy of vapourisation and viscosity data of \[\ce{H2O}\] and \[\ce{D2O}\] is given below :

  \[\ce{H, O}\] \[\ce{D2O}\]
Melting point / K 373.0 374.4
Enthalpy of vapourisation at (373 K)/kJ mol–1 40.66 41.61
Viscosity/centipoise 0.8903 1.107

On the basis of this data explain in which of these liquids intermolecular forces are stronger?

Multiple Choice Questions (Type - I) | Q 42 | Page 119

Dihydrogen reacts with dioxygen \[\ce{(O2)}\] to form water. Write the name and formula of the product when the isotope of hydrogen which has one proton and one neutron in its nucleus is treated with oxygen. Will the reactivity of both the isotopes be the same towards oxygen? Justify your answer.

Multiple Choice Questions (Type - I) | Q 43 | Page 119

Explain why \[\ce{HCl}\] is a gas and \[\ce{HF}\] is a liquid.

Multiple Choice Questions (Type - I) | Q 44 | Page 119

When the first element of the periodic table is treated with dioxygen, it gives a compound whose solid-state floats on its liquid state. This compound has an ability to act as an acid as well as a base. What products will be formed when this compound undergoes authorisation?

Multiple Choice Questions (Type - I) | Q 45.(i) | Page 119

Rohan heard that instructions were given to the laboratory attendent to store a particular chemical i.e., keep it in the darkroom, add some urea in it, and keep it away from dust. This chemical acts as an oxidising as well as a reducing agent in both acidic and alkaline media. This chemical is important for use in the pollution control treatment of domestic and industrial effluents. Write the name of this compound.

Multiple Choice Questions (Type - I) | Q 45.(ii) | Page 119

Rohan heard that instructions were given to the laboratory attendent to store a particular chemical i.e., keep it in the darkroom, add some urea in it, and keep it away from dust. This chemical acts as an oxidising as well as a reducing agent in both acidic and alkaline media. This chemical is important for use in the pollution control treatment of domestic and industrial effluents. Write the name of this compound. Explain why such precautions are taken for storing this chemical.

Multiple Choice Questions (Type - I) | Q 46 | Page 119

Give reasons why hydrogen resembles alkali metals?

Multiple Choice Questions (Type - I) | Q 47 | Page 119

Hydrogen generally forms covalent compounds. Give reason.

Multiple Choice Questions (Type - I) | Q 48 | Page 119

Why is the Ionisation enthalpy of hydrogen higher than that of sodium?

Multiple Choice Questions (Type - I) | Q 49 | Page 119

Basic principle of hydrogen economy is transportation and storage of energy in the form of liquid or gaseous hydrogen. Which property of hydrogen may be useful for this purpose? Support your answer with the chemical equation if required.

Multiple Choice Questions (Type - I) | Q 50 | Page 119

What is the importance of heavy water?

Multiple Choice Questions (Type - I) | Q 51 | Page 119

Write the Lewis structure of hydrogen peroxide.

Multiple Choice Questions (Type - I) | Q 52 | Page 119

An acidic solution of hydrogen peroxide behaves as an oxidising as well as reducing agent. Illustrate it with the help of a chemical equation.

Multiple Choice Questions (Type - I) | Q 53 | Page 119

With the help of suitable examples, explain the property of \[\ce{H2O2}\] that is responsible for its bleaching action?

Multiple Choice Questions (Type - I) | Q 54 | Page 119

Why is water molecule polar?

Multiple Choice Questions (Type - I) | Q 55 | Page 119

Why does water show high boiling point as compared to hydrogen sulphide? Give reasons for your answer.

Multiple Choice Questions (Type - I) | Q 56 | Page 119

Why can dilute solutions of hydrogen peroxide not be concentrated by heating. How can a concentrated solution of hydrogen peroxide be obtained?

Multiple Choice Questions (Type - I) | Q 57 | Page 119

Why is hydrogen peroxide stored in wax-lined bottles?

Multiple Choice Questions (Type - I) | Q 58 | Page 120

Why does hard water not form lather with soap?

Multiple Choice Questions (Type - I) | Q 59 | Page 120

Phosphoric acid is preferred over sulphuric acid in preparing hydrogen peroxide from peroxides. Why?

Multiple Choice Questions (Type - I) | Q 60 | Page 120

How will you account for 104.5° bond angle in water?

Multiple Choice Questions (Type - I) | Q 61 | Page 120

Write redox reaction between fluorine and water.

Multiple Choice Questions (Type - I) | Q 62 | Page 120

Write two reactions to explain amphoteric nature of water.

Multiple Choice Questions (Type - I) | Q 63 | Page 120

Correlate the items listed in Column I with those listed in Column II. Find out as many correlations as you can.

Column I Column II
(i) Synthesis gas (a) \[\ce{Na2 [Na4(PO3)6]}\] 
(ii) Dihydrogen (b) Oxidising agent
(iii) Heavy water (c) Softening of water
(iv) Calgon (d) Reducing agent
(v) Hydrogen peroxide (e) Stoichiometric compounds of s-block elements
(v) Salt like hydrides (f) Prolonged electrolysis of water
  (g) \[\ce{Zn + NaOH}\]
  (h) \[\ce{Zn + dil. H2SO4}\]
  (i) Synthesis of methanol
  (j) Mixture of \[\ce{CO}\] and \[\ce{H2}\]
Multiple Choice Questions (Type - I) | Q 64 | Page 120

Match Column I with Column II for the given properties/applications mentioned therein.

Column I Column II
(i) \[\ce{H}\] (a) Used in the name of perhydrol.
(ii) \[\ce{H2}\] (b) Can be reduced to dihydrogen by \[\ce{NaH}\].
(iii) \[\ce{H2O}\] (c) Can be used in hydroformylation of olefin.
(iv) \[\ce{H2O2}\] (d) Can be used in cutting and welding.
Multiple Choice Questions (Type - I) | Q 65 | Page 121

Match the terms in Column I with the relevant item in Column II.

Column I Column II
(i) Electrolysis of water produces (a) atomic reactor
(ii) Lithium aluminium hydride is used as (b) polar molecule
(iii) Hydrogen chloride is a (c) recombines on metal surface to generate high temperature
(iv) Heavy water is used in (d) reducing agent
(v) Atomic hydrogen (e) hydrogen and oxygen
Multiple Choice Questions (Type - I) | Q 66 | Page 121

Match the items in Column I with the relevant item in Column II.

Column I Column II
(i) Hydrogen peroxide is used as a (a) zeolite
(ii) Used in Calgon method (b) perhydrol
(iii) Permanent hardness of hard water is removed by (c) sodium hexametaphosphate 
  (d) propellant
Multiple Choice Questions (Type - I) | Q 67 | Page 121

Assertion (A): Permanent hardness of water is removed by treatment with washing soda.

Reason (R): Washing soda reacts with soluble magnesium and calcium sulphate to form insoluble carbonates.

  • Statements A and R both are correct and R is the correct explanation of A.

  • A is correct but R is not correct.

  • A and R both are correct but R is not the correct explanation of A.

  • A and R both are false.

Multiple Choice Questions (Type - I) | Q 68 | Page 121

Assertion (A): Some metals like platinum and palladium, can be used as storage media for hydrogen.

Reason (R): Platinum and palladium can absorb large volumes of hydrogen.

  • Statements A and R both are correct and R is the correct explanation of A.

  • A is correct but R is not correct.

  • A and R both are correct but R is not the correct explanation of A.

  • A and R both are false.

Multiple Choice Questions (Type - I) | Q 69 | Page 122

Atomic hydrogen combines with almost all elements but molecular hydrogen does not. Explain.

Multiple Choice Questions (Type - I) | Q 70 | Page 122

How can \[\ce{D2O}\] be prepared from water? Mention the physical properties in which \[\ce{D2O}\] differs from \[\ce{H2O}\]. Give at least three reactions of \[\ce{D2O}\] showing the exchange of hydrogen with deuterium.

Multiple Choice Questions (Type - I) | Q 71 | Page 122

How will you concentrate \[\ce{H2O2}\]? Show differences between structures of \[\ce{H2O2}\] and \[\ce{H2O}\] by drawing their spatial structures. Also mention three important uses of \[\ce{H2O2}\].

Multiple Choice Questions (Type - I) | Q 72.(i) | Page 122

Give a method for the manufacture of hydrogen peroxide and explain the reactions involved therein.

Multiple Choice Questions (Type - I) | Q 72.(ii) | Page 122

Illustrate oxidising, reducing and acidic properties of hydrogen peroxide with equations.

Multiple Choice Questions (Type - I) | Q 73 | Page 122

What mass of hydrogen peroxide will be present in 2 litres of a 5 molar solution? Calculate the mass of oxygen which will be liberated by the decomposition of 200 mL of this solution.

Multiple Choice Questions (Type - I) | Q 74.(i) | Page 122

A colourless liquid ‘A’ contains H and O elements only. It decomposes slowly on exposure to light. It is stabilised by mixing urea to store in the presence of light. Suggest possible structure of A.

Multiple Choice Questions (Type - I) | Q 74.(ii) | Page 122

A colourless liquid ‘A’ contains H and O elements only. It decomposes slowly on exposure to light. It is stabilised by mixing urea to store in the presence of light. Write chemical equations for its decomposition reaction in light.

Multiple Choice Questions (Type - I) | Q 75 | Page 122

An ionic hydride of an alkali metal has significant covalent character and is almost unreactive towards oxygen and chlorine. This is used in the synthesis of other useful hydrides. Write the formula of this hydride. Write its reaction with \[\ce{Al2Cl6}\].

Multiple Choice Questions (Type - I) | Q 76 | Page 122

Sodium forms a crystalline ionic solid with dihydrogen. The solid is nonvolatile and non-conducting in nature. It reacts violently with water to produce dihydrogen gas. Write the formula of this compound and its reaction with water. What will happen on electrolysis of the melt of this solid.

Solutions for 9: Hydrogen

Multiple Choice Questions (Type - I)
NCERT Exemplar solutions for Chemistry [English] Class 11 chapter 9 - Hydrogen - Shaalaa.com

NCERT Exemplar solutions for Chemistry [English] Class 11 chapter 9 - Hydrogen

Shaalaa.com has the CBSE Mathematics Chemistry [English] Class 11 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT Exemplar solutions for Mathematics Chemistry [English] Class 11 CBSE 9 (Hydrogen) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT Exemplar textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Chemistry [English] Class 11 chapter 9 Hydrogen are Position of Hydrogen in the Periodic Table, Dihydrogen, Preparation of Dihydrogen, Properties and Uses of Dihydrogen, Ionic or Saline Hydrides, Covalent or Molecular Hydride, Metallic or Non-stoichiometric (or Interstitial) Hydrides, Structure of Water, Structure of Ice, Temporary Hardness of Water, Permanent Hardness of Water, Preparation of Hydrogen Peroxide, Physical Properties of Hydrogen Peroxide, Structure of Hydrogen Peroxide, Chemical Properties of Hydrogen Peroxide, Storage of Hydrogen Peroxide, Uses of Hydrogen Peroxide, Heavy Water, Dihydrogen as a Fuel, Physical Properties of Water, Classification of water: Soft and Hard Water, Chemical Properties of Water.

Using NCERT Exemplar Chemistry [English] Class 11 solutions Hydrogen exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Exemplar Solutions are essential questions that can be asked in the final exam. Maximum CBSE Chemistry [English] Class 11 students prefer NCERT Exemplar Textbook Solutions to score more in exams.

Get the free view of Chapter 9, Hydrogen Chemistry [English] Class 11 additional questions for Mathematics Chemistry [English] Class 11 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×