Chemistry
The molecular mass of a gas is

Equal to its vapour pressure
Not related to its vapour pressure
Half its vapour pressure
Twice its vapour pressure

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Chemistry
Which of the process is known as nitrification?

Reaction of nitrogen dioxide with water to form nitric acid
Reaction of Nitrogen Monoxide with oxygen to form nitric acid
Conversion of nitrite to nitric oxide
Conversion of ammonia to nitrites

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