MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is a decomposition reaction? Give an example of a decomposition reaction. Describe an activity to illustrate such a reaction by heating.

Important Questions on Chemical Reactions And Equations

HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 31
Zinc oxide reacts with carbon, on heating, to form zinc metal and carbon monoxide.
Write a balanced chemical equation for this reaction. Name (i) oxidising agent, and (ii) reducing agent, in this reaction.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 32
Give one example of an oxidation-reduction reaction, which is also a combination reaction
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 32
Give one example of an oxidation-reduction reaction, which is also a displacement reaction.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 33
What is the difference between displacement and double displacement reactions? Write equations for these reactions.
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 33
What do you mean by a precipitation reaction? Explain giving an example.
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 34
 Explain the following in terms of gain or loss of oxygen with one example each:
(i) oxidation (ii) reduction
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 34

When the copper powder is heated strongly in air, it forms copper oxide.

Write a balanced chemical equation for this reaction.

Name (i) The substance oxidized, and (ii) The substance reduced.

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 2 Chemistry>Chapter 1 - Chemical Reactions And Equations>Short Answer Type Questions>Q 35

When a magnesium ribbon is heated, it burns in air to form magnesium oxide.

Write a balanced chemical equation for this.

Name (i) substance oxidised and (ii) substance reduced.