EASY
10th CBSE
IMPORTANT
Earn 100

Give a balanced chemical equation for the following:
When solid mercury (II) oxide is heated, liquid mercury and oxygen gas are produced.

Important Questions on Chemical Reactions and Equations

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 18
Give a balanced chemical equation for the following:
Marble dissolves in hydrochloric acid to form calcium chloride, water and carbon dioxide gas.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 19
What are the various ways to make the chemical equations more informative with suitable examples?
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 20
Give an example of the following with a balanced equation:
A compound reacting with an element to form a new compound.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 20
Give an example of the following with a balanced equation:
A compound reacting with another compound to form a new compound.
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 20

Give an example of the following with a balanced equation:

An element reacting with another element to form a single compound.

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 20
Give an example of the following with a balanced equation:
Electrolytic decomposition reaction.
MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 21
Write one equation each for decomposition reaction when energy is supplied in the form of
(i) heat
(ii) light
EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 1 - Chemical Reactions and Equations>MOCK TEST - 1>Q 21
Account for the following:
(i) Paint is applied on iron articles.
(ii) Oil and fat containing food items are flushed with nitrogen.