1.

A gas of collected by the upward displacement of air but cannotbe collected either downward or upward displacement of water. Identify the probable characteristics of the gas.

Answer»

It's HEAVIES than air and insoluble in WATER.
It's lighter than air and it is HIGHLY soluble in water.
It is heavier than air and it is highly soluble in water.
It is lighter than air and water.

Solution :"X" is highly soluble in water. HENCE it cannot be colected by water. It is collected by the UPWARD displacement of air as it is heavier then air.


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