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Phosphine is used in...

Phosphine is used in

A

holme's signals

B

smoke screens

C

Both a. and b.

D

Neither a. nor b.

Text Solution

Verified by Experts

The correct Answer is:
C
The spontaneous combstion of phosphine is teachnically used in Holme's siganls . Containers containig calcium carbide carbide and calcium phosphie are pierced and thrown in the sea when the gases evolved burn ad serve as a single . It is also used inm smoke screens.
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