This chapter is currently out of syllabus
1
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Out of Syllabus

Ozone in stratosphere is depleted by

A
$$\mathrm{C}_7 \mathrm{F}_{16}$$
B
$$\mathrm{CF}_2 \mathrm{Cl}_2$$
C
$$\mathrm{C}_6 \mathrm{H}_6 \mathrm{Cl}_2$$
D
$$\mathrm{CF}_3 \mathrm{Cl}$$
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
Out of Syllabus

Which of the following as is responsible for acid rain?

A
Sulphur dioxide and nitrous oxide
B
Sulphur dioxide and carbon monoxide
C
Sulphur dioxide and carbon dioxide
D
Sulphur dioxide and nitrogen oxide
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
Out of Syllabus

Which of the following particulate matter is emitted from vehicles?

A
Co
B
Pb
C
Sn
D
Se
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