EASY
10th CBSE
IMPORTANT
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Digestion of food in our body is an example of reduction 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 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.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 10
The reaction between magnesium and oxygen is an example of combustion.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 11
Combustion can take place even without oxygen.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 12
The minimum temperature required for a substance to burn is called the ignition temperature of the substance.