Question

saturated solution of copper sulphate was prepared at 60 degree celsius and put in 3 test tubes X,Y,Z.Tube X is heated to 95 degree celsius ,tubes Y is cooled to 25 degree celsius and 10 ml of water is added to the test tube Z.what would you observe in each case

Answer 1

Answer:

(a) When a saturated solution of potassium chloride prepared at 60°C is allowed to cool at room

temperature, crystals of 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 a

0

votes

Which separation technique will you apply for the separation of the following- 1. Sodium chloride from its solution in water 2. Ammonium chloride from a mixture 3. Butter from curd

Explanation:

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