What would you observe when
- a saturated solution of potassium chloride prepared at 60°C is allowed to cool at room temperature?
- an aqueous sugar solution is heated to dryness?
- a mixture of iron filings and sulphur powder is heated strongly?
Answer:
- Solid potassium chloride will separate out.
- Initially the water will evaporate and then sugar will get charred.
- Iron sulphide will be formed.