Classify the following into elements, compounds and mixtures.

Question:

(a) Sodium (b) Soil

(e) Calcium Carbonate (f) Tin

(g) Silicon (h) Coal

(i) Air (j) Soap

(k) Methane (l) Carbon dioxide

(m) Blood.

Classification of the given substances into elements compounds and mixtures:

Elements: (a) Sodium, (d) Silver, (f) Tin, and (g) Silicon.

Compounds: (e) calcium carbonate, (k) methane, and (l) carbon dioxide.

Mixtures: (b) soil, (c) sugar solution, (h) coal, (i) air, (j) soap, and (m) blood.