JEE Main 2022 (Online) 27th July Morning Shift | Environmental Chemistry Question 25 | Chemistry

	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-IV, B-I, C-II, D-III

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

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

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

JEE Main 2022 (Online) 26th July Evening Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

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-II, B-III, C-IV, D-I

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

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

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

JEE Main 2022 (Online) 25th July Morning Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

The photochemical smog does not generally contain :

NO₂

SO₂

HCHO

JEE Main 2022 (Online) 29th June Morning Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

The acid that is believed to be mainly responsible for the damage of Taj Mahal is :

sulfuric acid.

hydrofluoric acid.

phosphoric acid.

hydrochloric acid.

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