1.

Mention whetherthefollowing are elements, compounds or mixtures : (i) glass, (ii) german silver (iii) llimestone, (iv) pure gold (v) diamond, (vi) glucose (vii) salt solution, (viii) helium (ix) oxygen, (x) water

Answer»

Solution :(i) Glass : mixture
(ii) German silver : mixture
(iii) Limestone : compound (`CaCO_3`)
(iv) Pure GOLD : element
(v) Diamond : element (carbon)
(VI) GLUCOSE : compound(`C_6H_12O_6`)
(vii) Salt solution : mixture
(viii) Helium : element (He)
(ix) Oxygen : element
(x) Water : compound (`H_2O`).


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