Question

1 Which one of the following involve a chemical reaction?
(a) Evaporation of water
(b) Storing of nitrogen gas under pressure
(c) Keeping petrol in a China dish in open
(d) Heating magnesium wire in the presence of air at
high temperature​

Answer 1

Explanation:

answer will be d) Heating of magnesium wire in presence of air at high temperature

Answer 2

Answer :-

(d) Heating magnesium wire in the presence of air at high temperature

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