Question

A. Fill in the blank spaces :
(i) Washing down of excessive_______in natural water causes chemical pollution.
[pesticides/human excreta]
(ii) Steam is used to drive steam engines because it has highest_______.
[specific heat capacity/specific latent heat]
(iii) The sedimentation of muddy water can be accelerated by adding_____to it.
[common salt/alum]​

Answer 1

Answer:

(i)pesticides

(ii)don't know

(iii)alum