Class 12 Chemistry General Principles and Processes of Isolation of Elements Roasting and Calcination

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The processes of calcination and roasting in metallurgical industries,respectively,can lead to :-

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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

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Roasting and Calcination

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