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Separation by Evaporation

The physical ...

Question

The physical process of converting liquid to gas is called ___________________.

A

evaporation

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B

condensation

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C

sublimation

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D

melting

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Solution

The correct option is A
evaporation

The physical process of converting liquid to gas is called vaporisation.

Evaporation is a type of vaporisation which occurs on the surface of a liquid at any temperature below its boiling point.

Sublimation is the transition of a substance directly from the solid to the gas phase without undergoing the liquid phase.

The change of a gas or vapor to a liquid by cooling is called condensation.

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Similar questions

Q. State whether the following statements are true or false. Rewrite the false ones correctly.
(a) All irreversible changes are chemical changes.
(b) A liquid can sublime.
(c) The evaporation of water take place only at 100°C. when it is boiling.
(d) The melting of ice is a physical change.
(e) The souring of milk is a periodic change.
(f) The flowering of trees is a periodic change.
(g) Solidification and condensation are the same.
(h) The breaking of glass tumbler is a chemical change because it is irreversible.
(i) Boiling, evaporation and condensation are physical changes.

Q. You find the inside of the car window getting foggy in winters. This is because of
(a) condensation.
(b) sublimation.
(c) melting.
(d) evaporation.

…………………….. [ sublimation/ Evaporation] is a process of solid directly converting into gases

Q. Solve this:

Q5. A kind of matter which can sublime is

(a) water (b) plastic

(c) milk (d) iodine

Q6. A substance which can change its state

(a) wood (b) oxygen

(b) paper (d) cloth

Q7.The process by which a solid changes into a liquid is called

(a) freezing (b) melting

(c) condensation (d) evaporation

Q. Sublimation is the process of separating a liquid from its solution by evaporating it and then condensing its vapour.

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