Question

Give reasons (i)Water is compound (ii)Air is a mixture

Answer 1

water is a compound because hydrogen +oxygen make water and compound make from too or more elements.

And air is a mixture because air is a mixture of many gases

Answer 2

(i) Water is compound because the constituent elements in water that are hydrogen and oxygen combine together in the fixed ratio 1:8 to form the compound H2O

(ii) Air is the Mixture because in air many elements and compounds like -oxygen, nitrogen, carbon dioxide combine together in unfixed ratio to form the Mixture of air.

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