5. What would you observe when
(a) a saturated solution of potassium chloride prepared at 60°C is allowed to cool to room
temperature.
(b) an aqueous sugаr solution is heated to dryness.
(c) a mixture of iron filings and sulphur powder is heated strongly.
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Explanation:
(a) when is saturated solution of potassium chloride prepared at 60° C is allowed to cool at room temperature crystal so Potassium Chloride will be formed .
(b) initially sugar will obtained as water will get evaporated . but on dry heating sugar gets charred and it turns black .
(c) the black coloured compound iron sulphide is formed when the mixture of iron filings and sulphur powder is heated strongly
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