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Chapters
2: Optics
3: Thermal Physics
4: Electricity
5: Acoustics
6: Nuclear Physics
7: Atoms and Molecules
8: Periodic Classification of Elements
9: Solutions
▶ 10: Types of Chemical Reactions
11: Carbon and its Compounds
12: Plant Anatomy and Plant Physiology
13: Structural Organisation of Animals
14: Transportation in Plants and Circulation in Animals
15: Nervous System
16: Plant and Animal Hormones
17: Reproduction in Plants and Animals
18: Genetics
19: Origin and Evolution of Life
20: Breeding and Biotechnology
21: Health and Diseases
22: Environmental Management
23: Visual Communication
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Solutions for Chapter 10: Types of Chemical Reactions
Below listed, you can find solutions for Chapter 10 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science [English] Class 10 SSLC TN Board.
Samacheer Kalvi solutions for Science [English] Class 10 SSLC TN Board 10 Types of Chemical Reactions Evaluation [Pages 152 - 154]
Choose the correct answer
H2(g) + Cl29(g) → 2HCl(g) is a ______
Decomposition Reaction
Combination Reaction
Single Displacement Reaction
Double Displacement Reaction
Photolysis is a decomposition reaction caused by ______
heat
electricity
light
mechanical energy
A reaction between carbon and oxygen is represented by C(s) + O2(g) → CO2(g) + Heat. In which of the type(s), the above reaction can be classified?
(i) Combination Reaction
(ii) Combustion Reaction
(iii) Decomposition Reaction
(iv) Irreversible Reaction
i and ii
i and iv
i, ii, and iii
i, ii, and iv
The chemical equation Na2SO4(aq) + BaCl2(aq) → BaSO4(s)↓ + 2NaCl(aq) represents which of the following types of reaction?
Neutralization
Combustion
Precipitation
Single displacement
Which of the following statements are correct about a chemical equilibrium?
(i) It is dynamic in nature
(ii) The rate of the forward and backward reactions are equal at equilibrium
(iii) Irreversible reactions do not attain chemical equilibrium
(iv) The concentration of reactants and products may be different.
i, ii, and iii
i, ii, and iv
ii, iii, and iv
i, iii, and iv
A single displacement reaction is represented by X(s) + 2HCl(aq) → XCl2(aq) + H2(g). Which of the following(s) could be X.
(i) Zn
(ii) Ag
(iii) Cu
(iv) Mg.
Choose the best pair.
i and ii
ii and iii
iii and iv
i and iv
Which of the following is not an “element + element → compound” type reaction?
C(s) + O2(g) → CO2(g)
2K(s) + Br2(l) → 2KBr(s)
2CO(g) + O2(g) → 2CO2(g)
4Fe(s) + 3O2(g) → 2Fe2O3(s)
Which of the following represents a precipitation reaction?
A(s) + B(s) → C(s) + D(s)
A(s) + B(aq) → C(aq) + D(l)
A(aq) + B(aq) → C(s) + D(aq)
A(aq) + B(s) → C(aq) + D(l)
The pH of a solution is 3. Its [OH–] concentration is ______
1 × 10–3 M
3 M
1 × 10–11 M
11 M
Powdered CaCO3 reacts more rapidly than flaky CaCO3 because of ______.
large surface area
high pressure
high concentration
high temperature
Fill in the blanks
A reaction between an acid and a base is called ______.
When lithium metal is placed in hydrochloric acid, _______ gas is evolved.
The equilibrium attained during the melting of ice is known as ______
The pH of a fruit juice is 5.6. If you add slaked lime to this juice, its pH ______
increase
decrease
The value of the ionic product of water at 25°C is ______.
The normal pH of human blood is ______
Electrolysis is type of ______ reaction.
The number of products formed in a synthesis reaction is ______
Chemical volcano is an example of ______ type of reaction.
The ion formed by dissolution of H+ in water is called ______
Match the following
Identify the types of reactions.
| REACTION | TYPE |
| NH4OH(aq) + CH3COOH(aq) → CH3COONH4(aq) + H2O(l) | Single Displacement |
| Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) | Combustion |
| \[\ce{ZnCO3_{(s)} + ->[Heat]ZnO_{(s)} + CO2_{(g)}}\] | Neutralization |
| C2H4(g) + 4O2(g) → 2CO2(g) + 2H2 O(g) + Heat | Thermal decomposition |
True or False: (If false give the correct statement)
Silver metal can displace hydrogen gas from nitric acid.
True
False
The pH of rainwater containing dissolved gases like SO3, CO2, NO2 will be less than 7.
True
False
At the equilibrium of a reversible reaction, the concentration of the reactants and the products will be equal.
True
False
Periodical removal of one of the products of a reversible reaction increases the yield.
True
False
On dipping a pH paper in a solution, it turns yellow. Then the solution is basic.
True
False
Short answer questions
When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.
Why does the reaction rate of a reaction increase on raising the temperature?
Define a combination reaction. Give one example of an exothermic combination reaction.
Differentiate reversible and irreversible reactions.
Answer in detail
What is called thermolysis reactions?
Explain the types of double displacement reactions with examples.
Explain the factors influencing the rate of a reaction.
How does pH play an important role in everyday life?
What is chemical equilibrium? What are its characteristics?
HOT questions
A solid compound ‘A’ decomposes on heating into ‘B’ and a gas ‘C’. On passing the gas ‘C’ through water, it becomes acidic. Identify A, B, and C.
Can a nickel spatula be used to stir copper sulphate solution? Justify your answer.
Solve the following problems
Lemon juice has a pH of 2, what is the concentration of H+ ions?
Calculate the pH of 1.0 × 10–4 molar solution of HNO3.
What is the pH of 1.0 × 10–5 molar solution of KOH?
The hydroxide ion concentration of a solution is 1 × 10–11M. What is the pH of the solution?
Solutions for 10: Types of Chemical Reactions
Samacheer Kalvi solutions for Science [English] Class 10 SSLC TN Board chapter 10 - Types of Chemical Reactions
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Science [English] Class 10 SSLC TN Board Tamil Nadu Board of Secondary Education 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. Samacheer Kalvi solutions for Mathematics Science [English] Class 10 SSLC TN Board Tamil Nadu Board of Secondary Education 10 (Types of Chemical Reactions) 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.
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Concepts covered in Science [English] Class 10 SSLC TN Board chapter 10 Types of Chemical Reactions are Types of Chemical Change or Chemical Reaction, Rate of Chemical Reaction, State of Equilibrium, Ph Calculation, Problems on Ph, Chemical Reaction, Effects of Chemical Changes: Biological Effects, Effects of Chemical Changes: Environmental Effects, Chemical Equation, Direct Combination (or Synthesis) Reaction, Decomposition Reactions, Single Displacement Reactions, Double Displacement Reaction, Combustion Reactions, Classification of Change: Reversible and Irreversible Changes, Ionic Product of Water, Strength of Acidic or Basic Solutions, Indicators, Balancing Chemical Equation.
Using Samacheer Kalvi Science [English] Class 10 SSLC TN Board solutions Types of Chemical Reactions 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 Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Science [English] Class 10 SSLC TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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