Among I-A elements, which element is gas at room temperature?

Hydrogen

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Lithium

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Sodium

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Potassium

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Solution

The correct option is A Hydrogen
At standard temperature and pressure, hydrogen is a colorless, odorless, tasteless, non-toxic, non-metallic, highly combustible diatomic gas. It is highly flammable and forms an explosive mixture with air.

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Among I-A elements, which element is gas at room temperature?

The correct option is A HydrogenAt standard temperature and pressure, hydrogen is a colorless, odorless, tasteless, non-toxic, non-metallic, highly combustible diatomic gas. It is highly flammable and forms an explosive mixture with air.

The correct option is A Hydrogen
At standard temperature and pressure, hydrogen is a colorless, odorless, tasteless, non-toxic, non-metallic, highly combustible diatomic gas. It is highly flammable and forms an explosive mixture with air.