Question

which of the following processes involve chemical reaction?​

Answer 1

Answer:

Answer:(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

Answer 2

Answer:

Hey mate! Write uR QuEsTiOn cLeaRly....well I can give my answer....

Explanation:

The answer to this question is option c bcz when petrol is kept in a China dish and in open it will evaporate and this process can not be reversed thus has a property of chemical reaction.

Hope it's helpful....