English

Complete and Balance the Following Reaction: \\Ce{Pb(No3)2 ->\Delta}\ - Chemistry

Advertisements
Advertisements

Question

Complete and balance the following reaction:

\[\ce{Pb(NO3)2 ->[\Delta]}\]

One Line Answer

Solution

\[\ce{Pb(NO3)2 ->[\Delta] 2PbO + 4NO2 + O2}\]

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Chemical Changes and Reactions - Exercise 2 (C) [Page 32]

APPEARS IN

Selina Concise Chemistry [English] Class 9 ICSE
Chapter 2 Chemical Changes and Reactions
Exercise 2 (C) | Q 10.4 | Page 32

RELATED QUESTIONS

State whether the following statement is true or false. In case a statement is false, write the corrected statement.

Condensation of steam is not a chemical change.


Complete and balance the following chemical equations:

`"H"_2"S"` + `"CI"_2`  `→`  


FILL IN THE BLANK

On reaction with sulphuric acid solution, barium chloride forms a white precipitate of ........ sulphate.


Name the type of chemical reaction shown by the following equation:

NaOH + HCl → NaCl + H2O


Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.

(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)

An ______ is drawn in between the reactants and products while writing the equation for a chemical reaction.


Choose the correct option from the bracket and explain the statement giving a reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition) 

Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of ______ reaction.


State the conditions necessary for a chemical change or reaction.


Multiple choice:

A reaction of a type: AB + CD → AD + CD, involves


What do you observe? When

Barium chloride is added to sodium sulphate solution


Define:
Electrochemical reaction
Give one example


State the original colour of the following substance and colour of residue obtained after heating.

Lead nitrate


A chemical reaction is often accompanied by external indications or characteristics which include – 

  1. Colour change
  2. Effervescence or gas evolved
  3. Evolution or absorption of heat
  4. Formation of a precipitate.

With reference to each of the above indications, state the external indication seen during – Addition of dilute hydrochloric acid to silver nitrate.


Explain the Silver nitrate solution is kept in coloured reagent bottles in the laboratory.


Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.

Copper nitrate.


Which of the following is not an “element + element → compound” type reaction?


Burning of paper is the best example of ______ change.


Two chemical species X and Y combine together to form a product P which contains both X and Y

\[\ce{X + Y -> P}\]

X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species X, Y and P are correct?

(i) P is a compound

(ii) X and Y are compounds

(iii) X and Y are elements

(iv) P has a fixed composition


Classify the following as physical or chemical properties

Most metal oxides form alkalis on interacting with water.


How can we prevent rusting?


Write a note on the following:

Curdling of milk


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×