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harsh ranjan Grade: 12th pass
        
the substance used as a smoke screen in warfare-
A.silicon tetrachloride
B.Phosphine
C.Phosphorus pentachloride
D.Acetylene
one year ago

Answers : (2)

Avinash
askIITians Faculty
1246 Points
										A.silicon tetrachloride
										
one year ago
harsh ranjan
20 Points
										
phosphine
one year ago
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