Question

the compound used in holme's signals is​

Answer 1

phosphine

The spontaneous combustion process of phosphine( P H 3 PH_3 PH3) is principle used in Holme's signals.

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Answer 2

Answer:

Calcium carbide

Explanation:

Containers containing calcium carbide and calcium phosphide are pierced and thrown into the sea when the gases evolved burn and serve as a signal.