How can we separate a mixture of two immiscible liquids ?
Q.1. How can we separate a mixture of two immiscible liquids ?
Ans. By using separating funnel.
Q.2. How can we obtain different gases from air ?
Ans. By fractional distillation.
Q.3. How can we obtain pure copper sulphate from an impure sample ?
Ans. By crystallisation.
Q.4. Define distillation.
Ans. When a liquid is converted into its vapours and condensing the vapours back into liquid is known as distillation.
Q.5. Define chromatography.
Ans. It is a technique of separating those solutes which can dissolve in the same solvent at different rates is known as chromatography.
Q.6. What happens when a saturated solution is heated?
Ans. It becomes unsaturated.
Q.7. What happens when a hot saturated solution is cooled?
Ans. Crystals will be formed.
Q.8. Which of the two will scatter light: soup solution or salt solution ?
Ans. Soap solution.
Q.9. What is the effect of temperature on the solubility of solids in liquids ?
Ans. The solubility of liquids increases with increase in temperature.
Q.10. Salt can be recovered from its solution by evaporation. Can you suggest any other technique also ?
Ans. Crystallisation method.
Follow on Facebook page – Click Here
Google News join in – Click Here
Read More Asia News – Click Here
Read More Sports News – Click Here
Read More Crypto News – Click Here