Question

name the process associated with the preparation of satirated solution of potassium chloride at 60°C and allowed to cool at room temperature​

Answer 1

Answer:

Solution :

(a) When a saturated solution of potassium chloride prepared at

C is allowed to cool at room temperature, crystals of potassium chloride will be formed. (b) Initially, sugar will obtained as water wil get evaporated. But on dry heating sugar gets charred and it turns back.

(c) The black coloured compound, iron sulphide is formed when a mixture of iron filings and sulphur powder is heated strongly.