Oxides of nitrogen and sulphur form when they react with water vapour present in atmosphere.

acids

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bases

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salts

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Solution

The correct option is A acids
Oxides of nitrogen and sulphur form acids when they react with water vapour present in the atmosphere. Nitrogen dioxide forms nitric acid whereas sulphur dioxide forms sulphuric acid on reaction with water vapour. Their presence in rain turns it acidic and this is known as the 'acid rain'.

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Similar questions

Oxides of nitrogen and sulphur cause ______ rain when reacted with water vapour present in atmosphere.

Inorganic oxides of sulphur, nitrogen, etc. react with water vapour in the atmosphere to form weak inorganic acids leading to acid rain.

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