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Formation of a white precipitate

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Reference no: EM13884632

When dilute nitric acid was added to a solution of one of the following chemicals, a gas was evolved, This gas turned a drop of limewater, Ca(OH)2, cloudy, due to the formation of a white precipitate. The chemical was

(A) household ammonia, NH3

(B) baking soda, NaHCO3

(C) table salt, NaCl

(D) epsom salts, MgSO4 . 7H2O

(E) bleach, 5% NaOCl

Reference no: EM13884632

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