1.

Which of the following methods can be used to produce phosphine gas ?

Answer»

`Ca_(3)P_(2)+H_(2)O rarr`
`PH_(4)I+KOH rarr`
Heating of `H_(3)PO_(2)`
WHITE `P+NaOH underset("atmosphere")overset("Inert")rarr`

Answer :A::B::C::D


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