1.

A gas is collected by the upward displacement of air but cannot collected by downward displacement of water. Identify the probable characteristics of the gas.

Answer»

It is heavier than air and insoluble in water.
It's VAPOUR DENSITY is equaol to air and it is highly SOLUBLE in water.
It is heavier than air and it is highly soluble water.
It is lighter than air and water.

Solution :The gas is highly soluble in water. Hence is cannot b COLLECTED by the downward displacement of water. It is collected by the UPWARD displacement of air as it is heavier than air.


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