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1
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Match List I with List II.

List I

Pollutant		 List II

Source
(A) Microorganisms (I) Strip mining
(B) Plant nutrients (II) Domestic sewage
(C) Toxic heavy metals (III) Chemical fertilizer
(D) Sediment (IV) Chemical factory

Choose the correct answer from the options given below :

A
A-II, B-III, C-IV, D-I
B
A-II, B-I, C-IV D-III
C
A-I, B-IV, C-II, D-III
D
A-I, B-IV, C-III, D-II
2
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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The photochemical smog does not generally contain :

A
NO
B
NO2
C
SO2
D
HCHO
3
JEE Main 2022 (Online) 29th June Morning Shift
MCQ (Single Correct Answer)
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-1
Out of Syllabus
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The acid that is believed to be mainly responsible for the damage of Taj Mahal is :

A
sulfuric acid.
B
hydrofluoric acid.
C
phosphoric acid.
D
hydrochloric acid.
4
JEE Main 2022 (Online) 28th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Correct statement about photo-chemical smog is :

A
It occurs in humid climate.
B
It is a mixture of smoke, fog and SO2.
C
It is reducing smog.
D
It results from reaction of unsaturated hydrocarbons.
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