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Byju's Answer
Standard VII
Chemistry
Acids
Identify the ...
Question

Identify the gas evolved when:
Sulphur is treated with concentrated nitric acid :

A
Sulphur dioxide
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B
Nitrogen dioxide
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C
Hydrogen
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D
Oxygen
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Solution

The correct option is B Nitrogen dioxide
Nitrogen dioxide is the gas evolved when Sulphur is treated with concentrated nitric acid.
S + 6HNO3 ----> H2SO4 + 2H2O + 6NO2

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