Which among the following methods of separation depends upon increase in temperature and pressure?

Handpicking

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Threshing

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Winnowing

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Evaporation

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Solution

The correct option is D
Evaporation

Evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.
Handpicking, threshing and winnowing (as a method of separation) do not depend upon the temperature and pressure.

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Similar questions

Match the entries of column I with column II

Mixtures	Methods of separation
(a) Mixture of chaff and grain	(i) Evaporation
(b) Iron powder from a mixture of iron and aluminium powder	(ii) Winnowing
(c) Common salt from seawater	(iii) Magnetic separation

Q. Consider the table below:

\begin{matrix} Mixture & Component 1 & Component 2 X & Chalk Powder & Water Y & Flour & Husk \end{matrix}

Which of the following methods can be used to separate the components of mixture X and Y?

A mixture contains three different substances, $X, Y$ and $Z$ . They are of the same size, cubical in shape and yellow in colour.
$X$ particles are heavy, insoluble, non-magnetic and contribute $50 %$ of the mixture.
$Y$ particles are very light, insoluble, non-magnetic and contribute $40 %$ of the mixture.
And $Z$ particles are iron pieces.
Which of the following methods can separate $X, Y$ and $Z$ ?

Q. Handpicking method is useful for the separation of two substances which are bigger in size and are visibly different.

What is handpicking method of separation? Write two mixtures that can be separated by handpicking.

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Which among the following methods of separation depends upon increase in temperature and pressure?

The correct option is D Evaporation Evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure. Handpicking, threshing and winnowing (as a method of separation) do not depend upon the temperature and pressure.

The correct option is D
Evaporation

Evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.
Handpicking, threshing and winnowing (as a method of separation) do not depend upon the temperature and pressure.