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Question

Concentrated H2SO4 cannot be used for drying up H2S and NH3.
If true enter 1, else enter 0.

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Solution

H2S is oxidised to S by H2SO4(which is reduced to SO2)H2S+H2SO42H2O+SO2+SWhile NH3 forms salt with H2SO42NH3+H2SO4(NH4)2SO4Hence, H2SO4can't be used for drying up these gases.
The given statement is therefore, true.

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