EASY
8th CBSE
IMPORTANT
Earn 100

List three important uses of hydrogen.

Important Questions on Metals and Non-Metals

EASY
8th CBSE
IMPORTANT
List three uses of silicon.
EASY
8th CBSE
IMPORTANT
State whether a displacement reaction will occur if copper sulphate and zinc are mixed. Give reasons. Give the reaction.
EASY
8th CBSE
IMPORTANT

State whether a displacement reaction will occur if copper sulphate and iron are mixed. Give reasons. Give the reaction.

EASY
8th CBSE
IMPORTANT
State whether a displacement reaction will occur if zinc sulphate and copper are mixed. Give reasons. Give the reaction.
EASY
8th CBSE
IMPORTANT
State whether a displacement reaction will occur if zinc sulphate and iron are mixed. Give reasons. Give the reaction.
EASY
8th CBSE
IMPORTANT

State whether a displacement reaction will occur if iron sulphate and zinc are mixed. Give reasons. Give the reaction.

EASY
8th CBSE
IMPORTANT

State whether a displacement reaction will occur if iron sulphate and copper are mixed. Give reasons. Give the reaction.

MEDIUM
8th CBSE
IMPORTANT
Describe an experiment to show the necessary conditions for rusting of iron.