MEDIUM
8th ICSE
IMPORTANT
Earn 100

Fill in the blank with appropriate example.

Neutralization reactions: Mixing of caustic soda solution and hydrochloric acid, _____.

Important Questions on Chemical Reactions

MEDIUM
8th ICSE
IMPORTANT

Fill in the blank with appropriate example.

Combination reactions: Burning of magnesium wire, _____.

MEDIUM
8th ICSE
IMPORTANT

Fill in the blank with appropriate example.

Exothermic reactions: Synthesis of ammonia, _____.

MEDIUM
8th ICSE
IMPORTANT

Fill in the blank with appropriate example.

Displacement reactions: Reaction between iron nails and copper sulphate solution, _____.
MEDIUM
8th ICSE
IMPORTANT
What is electrolysis? Write its important applications.
MEDIUM
8th ICSE
IMPORTANT
Define dissociation reaction. Give some examples.
MEDIUM
8th ICSE
IMPORTANT

What are oxides? Give an example of each type of oxide.

MEDIUM
8th ICSE
IMPORTANT
Name the acids and alkalis formed when each of the above three metallic(CaO, Na2O, K2O) and non-metallic oxides(SO2, CO2, P2O5), react with water, respectively.
MEDIUM
8th ICSE
IMPORTANT
Define amphoteric oxides. Give two examples of the oxides.