Question

Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of a flower, soil, copper sulfate crystals, glucose, and wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water

Answer 1

Solubility:

• The solubility is the maximum amount of solute that can dissolve in a known quantity of solvent at a certain temperature.
• The substance which are easily dissolved in water is known as soluble substance: Sugar, Salt, Honey, Copper sulphate crystals, Glucose
• An insoluble substance is a substance that does not dissolve in a solvent to give a reasonable concentration: Mustard oil, Sand, Sawdust, Chalk powder, Petals of flower, Soil, Wheat flour