Question

39. Write the formulae of the following compounds. Also, name the elements present in them.

a) Water

b) Ammonia

c) Methane

Answer 1

Part-1: The formula of the compounds

a) The formula of water is H₂O

b) The formula of ammonia is NH₃

c) The formula of methane is CH₄

Part-2: Name the elements present in them

(a) In water hydrogen and oxygen are present

(b) In Ammonia nitrogen and hydrogen is present

(c) In methane carbon and hydrogen are present