Solutions
Can a solution be heterogeneous?
Will sand particles form a solution in water? (Yes/No)
No
When sand is added to water, it does not mix, and no solution is formed.
Can a solution be heterogeneous?
(a) State the main points of difference between homogeneous and heterogeneous mixtures. (b) Classify the following materials as homogeneous mixtures and heterogeneous mixtures. Soda-water, Wood, Air, Soil, vinegar, Alcohol and water mixture, petrol and water mixture, chalk and water mixture, sugar and water mixture, copper sulphate solution.
Will charcoal powder form a solution in water? (Yes/No)
Will powdered particles of lead from a lead pencil form a solution in water? (Yes/No)
Will iron powder form a solution in water? (Yes/No)