Match the following.

‘A’

‘B’

(a)

Melting point

1.

Separating common salt and water from their mixture.

(b)

Boiling point

2.

Obtaining diesel from crude oil

(c)

Fractional distillation

3.

Change of state of a liquid into a gas.

(d)

Distillation

4.

Change of state from solid to liquid.

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Solution

‘A’

‘B’

(a)

Melting point

4.

Change of state from solid to liquid

(b)

Boiling point

3.

Change of state of a liquid into a gas

(c)

Fractional distillation

2.

Obtaining diesel from crude oil

(d)

Distillation

1.

Separating common salt and water from their mixture

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Similar questions

Match the following.

Amount of heat required to change a substance from its solid state to its liquid state at melting point is known as?

(A) Simple distillation	(i) To separate the liquids which are steam volatile, insoluble in water and contains non-volatile impurities.
(B) Fractional distillation	(ii) To separate liquids which decompose at a temperature below their normal boiling points
(C) Vacuum distillation	(iii) To separate two or more liquids which have boiling points close to each other.
(D) Steam distillation	(iv) To separate liquid from non-volatile impurities.

Classify the following as a physical or a chemical change :

(a) Drying of wet clothes

(b) Manufacture of salt from seawater.

(d) Boiling of water

(e) Burning of paper

(f) Melting of wax

(g) Burning of coal

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‘A’		‘B’
(a)	Melting point		1.	Separating common salt and water from their mixture.
(b)	Boiling point		2.	Obtaining diesel from crude oil
(c)	Fractional distillation		3.	Change of state of a liquid into a gas.
(d)	Distillation		4.	Change of state from solid to liquid.