JEE Main 2021 (Online) 16th March Evening Shift | Environmental Chemistry Question 52 | 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

Out of Syllabus

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

Out of Syllabus

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 Evening Shift

MCQ (Single Correct Answer)

-1

Out of Syllabus

Given below are two statements :

Statement I : The pH of rain water is normally 5.6.

Statement II : If the pH of rain water drops below 5.6, it is called acid rain.

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

Both Statement I and Statement II are true.

Both Statement I and Statement II are false.

Statement I is true but Statement II is false.

Statement I is false but Statement II is true.

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