A colourless odourless non poisonous fairly soluble gas but heavier than air.. fast
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False I guess
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The properties of Phosphine gas (PH3) are - It is a colourless gas, smelling like rotten fish, and is a highly poisonous gas. It explodes in the presence of traces of oxidizing agents like HNO3, Cl2, and Br2. It is slightly soluble in water. The solution of Phosphine in water decomposes in the presence of light giving red phosphorous and hydrogen. When absorbed in copper sulphate or mercuric chloride solution, the corresponding Phosphides are obtained.
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