p-Block elementsHard

Question

Holme′s signals can be given by using :

Options

A.CaC2 + CaCN2
B.CaC2 + Ca3P2
C.CaC2 + CaCO3
D.Ca3P2 + CaCN2

Solution

The spontaneous combustion of phosphine is technically used in Holme′s samples. Containers containing calcium carbide and calcium phosphide are pierced and thrown in the sea when the gases evolved burn and serve as a signal.

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