- Home
- Standard 12
- Chemistry
General Principles and processes of Isolation of Elements
medium
The processes of calcination and roasting in metallurgical industries, respectively, can lead to :-
A
Global warming and acid rain
B
Photochemical smog and ozone layer depletion
C
Global warming and photochemical smog
D
Photochemical smog and global warming
(JEE MAIN-2020)
Solution
Due to industrial process $SO _{2}$ gas is released which is responsible for acid rain $\&$ global warming.
Standard 12
Chemistry