Question

a. Give one example in each case where supplying energy is necessary for a chemical reaction
i. Heat energy
ii. Pressure
iii. Electrical energy

Answer 1

Answer:

1.ZnCO_3△→ZnO+CO_2[g]

2.photosynthesis in plants - Carbon dioxide + water → glucose + oxygen

3.Electrolysis of acidified water - 2H_2O→2H_2[g]+O_2[g]

4.Catalytic oxidation of ammonia - using platinum - 4NH_3+5O_2→4NO+6H_2O+△