(A) C2H2 (X)
(B) SiCl4 ()
(C) P2O5 (X)
(D) PCl5 (X)
Answers: The substance used as a smoke screen in warfare is SiCl4.
(A) C2H2 (X)
(B) SiCl4 ()
(C) P2O5 (X)
(D) PCl5 (X)
Answers: The substance used as a smoke screen in warfare is SiCl4.
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