State uses of phosphine. – InterviewSolution

1.	State uses of phosphine.
Answer» Solution :PHOSPHINE is USED in making Holme.s signals. CONTAINERS containing calcium CARBIDE [`CaC_2`] and calcium phosphide [`Ca_3P_2`] are pierced and thrown in the sea when the gases evolved BURN and serve as a signal. It is used in preparation of smoke screen.

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