Q.

The chemical name of rat poison is -

A. zinc oxide
B. potassium cyanide
C. lead nitrate
D. zinc phosphide
Answer» D. zinc phosphide
Explanation: Zinc phosphide is used as a rodenticide. A mixture of food and zinc phosphide is left where the rodents can eat it. The acid in the digestive system of the rodent reacts with the phosphide to generate the toxic phosphine gas.
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