# Which of the gas is not known as green house gas? with Answer - Everyday Science Mcqs | TestPrep

> Solved MCQ: Which of the gas is not known as green house gas? Correct Answer: D. Hydrogen. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Which of the gas is not known as green house gas?

Direct Answer & Quick Reference

The correct option is **D. Hydrogen**.

Greenhouse effect – Gases that trap heat in the earth’s atmosphere are known as Greenhouse Gases. Greenhouse Gases are Carbon Dioxide, Methane, Nitrous Oxide (N2O), Water Vapour, a...

A. Methane

B. Nitrous oxide

C. Carbon dioxide

D. Hydrogen **(Correct Answer)**

✨ Explain with AI

Verified Key: D. Hydrogen
Solved by 5,649+ students

**Detailed Explanation & Reference:**

Greenhouse effect – Gases that trap heat in the earth’s atmosphere are known as Greenhouse Gases. Greenhouse Gases are Carbon Dioxide, Methane, Nitrous Oxide (N2O), Water Vapour, and Chlorofluorocarbons. Greenhouse Gases are capable of trapping the out-going infrared radiation from the earth’s surface thereby causing the Greenhouse effect. In the above question other than hydrogen gas, rest all the gases have the capability of trapping the heat rays reflecting from the earth. Hence Hydrogen is correct.

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