(a) Sodium
(b) Soil
(c) Sugar solution
(d) Silver
(e) Calcium carbonate
(f) Tin
(g) Silicon
(h) Coal
(i) Air
(j) Soap
(k) Methane
(l) Carbon dioxide
(m) Blood
Answer : Classification of materials as elements, compounds and mixtures.
Elements | Compounds | Mixture |
(a) Sodium (d) Silver (f) Tin (g) Silicon | (e) Calcium carbonate (k) Methane (l) Carbon dioxide | (b) Soil (c) Sugar solution (h) Coal (i) Air (j) Soap (m) Blood |
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