Question

Classify the following as homogeneous mixture and heterogeneous mixture.Sugar solution in water, air, soil, petrol, chalk and water mixture, sea water, biogas, coal.

Answer 1

things which completely dissolve in water are called homogeneous so classify according

Answer 2

Answer:

(a) Soil : minerals.

(b) Sea water : salts

(c) Air : Nitrogen, Oxygen and other gases.

(d) Coal : carbon

(e) Soda water : carbon dioxide.