JEE Main 2021 (Online) 16th March Evening Shift | Environmental Chemistry Question 25 | Chemistry

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) and (C) only

(A) and (B) only

(A), (C) and (D) only

(A) only

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

-1

The type of pollution that gets increased during the day time and in the presence of O₃ is :

Oxidising smog

Global warming

Acid rain

Reducing smog

JEE Main 2021 (Online) 26th February Morning Shift

MCQ (Single Correct Answer)

-1

The presence of ozone in troposphere:

protects us from greenhouse effect

protects us from the UV radiation

protects us from the X-ray radiation

generates photochemical smog

JEE Main 2021 (Online) 25th February Morning Slot

MCQ (Single Correct Answer)

-1

Given below are two statements :

Statement I : An allotrope of oxygen is an important intermediate in the formation of reducing smog.

Statement II : Gases such as oxides of nitrogen and sulphur present in troposphere contribute to the formation of photochemical smog.

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

Statement I is false but Statement II is true

Both Statement I and Statement II are false

Both Statement I and Statement II are true

Statement I is true but Statement II is false

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