" Carbon exists in the atmosphere in the form of "

Carbon exists in the atmosphere in the from of

Carbon exists in the atmosphere in the from of

When alumina is heated with carbon in the atmosphere of nitrogen then product formed are

When alumina is heated with carbon in the atmosphere of nitrogen then product formed are

Assertion (A) : The pH of acid rain is less than 5.6. Reason (R) : Carbon dioxide present in the atmosphere dissolves in rain water and forms carbonic acid.

Assertion: The pH of acid rain is less than 5.6 Reason: Carbon dioxide present in the atmosphere dissolves in rain water and forms carbonic acid.