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10th CBSE
IMPORTANT
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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.

Important Questions on Chemical Reactions and Equations

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.
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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.

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

Define the following in terms of gain or loss of hydrogen with one example each:

(i) oxidation (ii) reduction