EASY
10th CBSE
IMPORTANT
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Removal of hydrogen from a compound is an example of reduction.

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Important Questions on Chemical Reactions

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.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 13
Formation of vapour from the burning substance is not necessary to produce a flame.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 14
A matchstick gets ignited when inserted in the blue flame of candle.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 1
What is the type of reaction in which the reactant gives simpler products?
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 3 - Chemical Reactions>EXERCISES>Q 2
What is the type of reaction in which the two or more reactants combine to give one product?