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Devendra Pareek from THE INDIAN HIGH SCHOOL, asked a question
Subject: Chemistry , asked on 13/1/11

Phosphine is not used in smoke screens usually white or red phosphorus is used for making smoke screen grenades.

EXPERT ANSWER

shveta.dua... , Meritnation Expert added an answer, on 14/1/11
841 helpful votes in Chemistry

Dear Student,

Phosphine is used production of smoke screens.

Shells containing calcium phosphide, on explosion, reacts with water producing phosphine which burns in air to give clouds of P4O10 which acts as smoke screens.

Hope this helps.

Cheers!

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Mohit Kumar From Govt.boys Sec Shool Dayalpur Delhi 110094, added an answer, on 14/1/11

hiiiiii

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