Question

3. Nitrogen is neither combustible nor a
4. The
present in air helps in the formation of clouds.​

Answer 1

Answer:

1. Nitrogen gas is neutral to litmus and is a non combustible nor supports combustion and can be liquefied on compression at low temperatures. It is non poisonous.
2. Clouds form when the invisible water vapor in the air condenses into visible water droplets or ice crystals. For this to happen, the parcel of air must be saturated, i.e. unable to hold all the water it contains in vapor form, so it starts to condense into a liquid or solid form.

Explanation:

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Answer 2

Answer:

nitrogen is neither combustible nor a