MEDIUM
10th CBSE
IMPORTANT
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Action of heat on ferrous sulphate crystals is an example of decomposition reaction.

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Important Questions on Chemical Reactions

EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 2
In a combination reaction two elements combine to form a compound.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 3
Ammonia and hydrogen chloride react to form ammonium hydroxide.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 4
Digestion of food in our body is an example of reduction reaction.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 5
Copper is more reactive than iron.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 6
When a strip of copper is introduced in a solution of zinc sulphate, zinc is precipitated.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 7
The reaction FeS+H2SO4→FeSO4+H2S, is an example of a double displacement reaction.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 8
Removal of hydrogen from a compound is an example of reduction.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 9
In the reaction, 4Fe+3O2→2Fe2O3, Fe acts as an oxidizing agent.