Question

Name any two materials which can make rain water impure.
​

Answer 1

Answer. Nitrous oxide ,sulphur dioxide,carbon monoxide,Ashes,other pollutants.

hope its helpful!!!

Answer 2

${\huge{☣}}{ \sf \purple{Two \: materials \: which \: can \: make \: rainwater \: impure \: are :-}}$

1. Sulphur Di-oxide
2. Carbon monoxide