Q.1 Classify the following substances into true solutions and colloidal solutions.
Milk, ink, starch dissolved in water.
Q.2 A solution has been prepared by dissolving 5g of urea in 95 g of water. What is the mass
percent of urea in the solution?
Q3 Give an example of an aqueous solution in which gas is dissolved.
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Answer:
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Explanation:
True solution - Salt solution, copper sulphate solution, sugar and water solution, vinegar, air, brass.
Colloidal solution - Milk, Blood, Soap solution, starch solution, ink
Suspension - Milk of magnesia, chalk powder and water solution, flour in water, muddy water.
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