This chapter is currently out of syllabus
1
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Reducing smog is a mixture of :
A
Smoke, fog and O3
B
Smoke, fog and N2O3
C
Smoke, fog and CH2 = CH $$-$$ CHO
D
Smoke, fog and SO2
2
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The green house gas/es is (are) :

(A) Carbon dioxide

(B) Oxygen

(C) Water vapour

(D) Methane

Choose the most appropriate answer from the options given below :
A
(A) and (C) only
B
(A) and (B) only
C
(A), (C) and (D) only
D
(A) only
3
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The type of pollution that gets increased during the day time and in the presence of O3 is :
A
Oxidising smog
B
Global warming
C
Acid rain
D
Reducing smog
4
JEE Main 2021 (Online) 26th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The presence of ozone in troposphere :
A
protects us from greenhouse effect
B
protects us from the UV radiation
C
protects us from the X-ray radiation
D
generates photochemical smog
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