1.

Which one of the following pairs is correctly matched? (a) Silver iodide — Horn silver (b) Silver chloride — Artificial rain (c) Zinc phosphide — Rat poison (d) Zinc sulphide — Philosopher’s wool

Answer»

(c) Zinc phosphide — Rat poison.

Explanation:

Cerargyrite, also called Horn Silver, gray, very heavy halide mineral composed of silver chloride (AgCl); it is an ore of silver.

Tiny particles of silver iodide are sprayed on a cloud from an aeroplane. The particles attract water drops from the cloud. When they form a drop that is large enough, it starts raining.

Zinc phosphide is an inorganic compound that is used in pesticide products as a rodenticide.. Zinc oxide is also known as philosopher's wool.



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