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The process of the clacination and roasting in metallurigical industries, respectively, can lead to:
Option: 1 Global warming and photochemical smog
Option: 2 Global warming and acid rain
Option: 3 Photochemical smog and ozone layer depletion
Option: 4 Photochemical somg and Global warming 

Answers (1)


We know

Calcination Releases → CO2 → Global warming

Roasting Releases → SO2 → Acid Rain

The processes of calcination and roasting in metallurgical industries, respectively, can lead to Global warming and acid rain Due to the industrial processes SO2 gas is released which is responsible for acid rain & CO2 gas for global warming.

Therefore, the correct option is (2).

Posted by

Kuldeep Maurya

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