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the substance used as a smoke screen in warfare- A.silicon tetrachloride B.Phosphine C.Phosphorus pentachloride D.Acetylene

the substance used as a smoke screen in warfare-
A.silicon tetrachloride
B.Phosphine
C.Phosphorus pentachloride
D.Acetylene

Grade:12th pass

3 Answers

Avinash
askIITians Faculty 1246 Points
6 years ago
A.silicon tetrachloride
harsh ranjan
20 Points
6 years ago
phosphine
Raj
15 Points
2 years ago
It will be phosphine, because when calcium phosphide reacts with water it gives phosphine which burns in air to give clouds of phosphorus pentaoxide and acts as a smoke screen. 

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