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When vapours of `PH_3` are passed into water through delivery tube, the bubble of gas formed when comes in contact with air, forms a ring of smoke. Th

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When vapours of `PH_3` are passed into water through delivery tube, the bubble of gas formed when comes in contact with air, forms a ring of smoke. These are due to formation of
A. `P_4O_10`
B. `H_3PO_4`
C. `PCl_4`
D. `P_4`
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Correct Answer - A
`(NH_4)_2SO_4 + H_2O to underset"(Strong acid)"(2H_2SO_4 + NH_4OH)`
Hence fertility increases
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