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Discussthe usesof Phosphine.

Answer»

SOLUTION :PHOSPHINEIS usedforproducingsmokescreen ASIT giveslargesmoke. In ashipa piercedcontainerwith amixutreof calciumcarbideand CALCIUM PHOSPHIDE. Liberatesphosphineandacetylenewhenthrowninto sea.Theisknownas Holmessignal.


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