Are the given separation techniques physical or chemical methods?

1. Evaporation
2. Centrifugation
3. Separation by separating funnel
4. Simple distillation
5. Fractional distillation
6. Sublimation
7. Crystallization
8. Chromatography

Q. Write answer to the following question in your own words.

(a) How are the components of mixtures separated by simple methods ?
(b) Which elements ( metals and non-metals), compounds and mixtures do we use in our day-to-day life?
(c) In everyday life, where and for what purpose do we use centrifugation?
(d) Where are the methods of separation by distillation and by separating funnel used ? Why ?
(e) Which precaution will you take while using the methods of distillation and separation by separating funnel ?

Q.

Which separation method is used to separate different mixtures mentioned in column 2?

Column 1	Column 2
(a) Separating Funnel	(1) Mixture of acetone and water
(b) Distillation	(2) Mixture of ethanol and methanol
(c) Fractional distillation	(3) Mixture of kerosene and water
(d) Centrifugation	(4) Removal of water from clothes in washing machine

Q.

The best and latest technique for isolation, purification and separation of organic compounds is:

(a) Crystallisation (b) Distillation (c) Sublimation (d) Chromatography

Q. Match List - I (Mixture to be separated) with the List - II (Method used) and select the correct option using the codes given below.

List - I (mixture to be separated)	List - II (Method used)
$\left(A\right)$ Petroleum products	$\left(I\right)$ Chromatography
$\left(B\right)$ Camphor and rock salt	$\left(II\right)$ Centrifugation
$\left(C\right)$ Cream from milk	$(III$) Sublimation
$\left(D\right)$ Coloured components in a dye	$\left(IV\right)$ Fractional distillation