1.

(a) 'Water is considered as a compound of hydrogen and oxygen and not a mixture of hydrogen and oxygen'. Comment on it. (b) Differentiate between a compound and a mixture (any three points).

Answer»

Solution :(a) The PROPERTIES of water are altogether different from those of the constituting GASES. For example, water is a LIQUID at room temperature whereas the constituents are in the gaseous state. Water can extinguish FIRE whereas hydrogen is COMBUSTIBLE in nature, oxygen supports combustion.


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