EASY
10th CBSE
IMPORTANT
Earn 100

Which one of the following processes involve chemical reactions?
(a)Storing of oxygen gas under pressure in a gas cylinder
(b)Liquefaction of air
(c)Keeping petrol in a china dish in the open
(d)Heating copper wire in presence of air at high temperature

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Important Questions on Chemical Reactions and Equations
EASY
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT

EASY
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
Ammonia gas reacts with oxygen in the presence of platinum at to form nitric oxide gas and steam.

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT

MEDIUM
10th CBSE
IMPORTANT
(a) Reactants and (b) Products?

MEDIUM
10th CBSE
IMPORTANT
