Classify the following into elements, compounds and mixtures. 

(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

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1 Answers

Elements - sodium, silver, tin, silicon. 

Compounds - calcium carbonate, methane, carbon dioxide. 

Mixtures - soil, sugar solution, coal, air, soap, blood.

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