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1
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Given below are two statements:

Statement I : The non bio-degradable fly ash and slag from steel industry can be used by cement industry.

Statement II : The fuel obtained from plastic waste is lead free.

In the light of the above statements, choose the most appropriate answer from the options given below :

A
Both Statement I and Statement II are correct
B
Both Statement I and Statement II are incorrect
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
2
JEE Main 2022 (Online) 27th July Morning 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

Disease/sickness
(A) Sulphate (>500 ppm) (I) Methemoglobinemia
(B) Nitrate (>50 ppm) (II) Brown mottling of teeth
(C) Lead (>50 ppb) (III) Laxative effect
(D) Fluoride (>2 ppm) (IV) Kidney damage

Choose the correct answer from the options given below :

A
A-IV, B-I, C-II, D-III
B
A-III, B-I, C-IV, D-II
C
A-II, B-IV, C-I, D-III
D
A-II, B-IV, C-III, D-I
3
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
4
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
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