Question

Give reasons for:
1. Solubility curves find utility in separation and purification of solutes.
2. Pressure and temperature influence the solubility of gases in water.
3. Heating a hydrated copper sulphate crystal is deemed a chemical change.
4. Efflorescence is minimum during humid conditions.
5. A crusty 'boiler scale' is formed in boilers, when hard water is used.

Answer 1

Answer:

Answer:The Answer is given below

Answer:The Answer is given belowExplanation:

Answer:The Answer is given belowExplanation:Solubility is best.

1. Answer:The Answer is given belowExplanation:Solubility is best. and watch badmass picture
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