Which is not a green house effect gas?

C O_{2}

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H_{2}

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CFC

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Methane

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Solution

The correct option is B $H_{2}$
A greenhouse gas is any gaseous compound in the atmosphere that is capable of absorbing infrared radiation, thereby trapping and holding heat in the atmosphere. By increasing the heat in the atmosphere, greenhouse gases are responsible for the greenhouse effect, which ultimately leads to global warming. The most significant greenhouse gases are water vapour (H $_{2}$ O), carbon dioxide (CO $_{2}$ ), methane (CH $_{4}$ ) and nitrous oxide (N $_{2}$ O), according to the Environmental Protection Agency (EPA). Chlorofluorocarbons (CFCs), once used as refrigerants and aerosol propellants until they were phased out by international agreement, are also greenhouse gases. Hence, H $_{2}$ is not a greenhouse gas.
Therefore, the correct answer is option B.

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