JEE Main 2022 · 27 Jul · Shift 1 · Chemistry Q73 · Dronacharya Exams

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ChemistryList match+4 / -1Question 73 of 90

Match List I with List II.

Choose the correct answer from the options given below:

List I (Pollutant)

A
Sulphate (>500 ppm)
B
Nitrate (>50 ppm)
C
Lead (>50 ppb)
D
Fluoride (>2 ppm)

List II (Disease/sickness)

I
Methemoglobinemia
II
Brown mottling of teeth
III
Laxative effect
IV
Kidney damage

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

Answer and worked solution

Official answer: B

Effects.

Sulphate above 500 ppm: laxative.
Nitrate above 50 ppm: methemoglobinemia.
Lead above 50 ppb: kidney damage.
Fluoride above 2 ppm: brown mottling of teeth.

A-III, B-I, C-IV, D-II. (B)

Topics:Water and soil pollution

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