2.
What is a chemical equation? Explain with the
help of an example.
3.
What is a balanced chemical equation? Why should
chemical equation be balanced? Explain with the help of an example.
4.
Write a balanced equation for the following
reaction :
Pb(NO3)2 ---> PbO2 + NO2 + O2
1. What is mean by (A) displacement reaction and
(B) double displacement reaction? Explain with the help of one example each.
a.) Write
the equation for the reaction.
b.) Name
the types of reaction involved.
3.
What the decomposition reaction? Give an example
of a decomposition reaction.
Explain the corrosion
1. Write a balance equation for the
following reaction:
a. Methane burns in the oxygen to form
carbon dioxide and water.
b. Sodium metal reacts with water to
give sodium hydroxide and hydrogen.
2. What happens when silver nitratesolution is added to sodium chloride solution?
a. Write the equation for the reaction
which takes place.
b. Name the types of reaction involved.
a. Write the equation
b. Name the type of reaction involved.
4. What is a redox reaction? Explain
with an example.
