Oil can be separated from water by:

filtration

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decantation

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threshing

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sedimentation

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Solution

The correct option is B
decantation

Decantation is a process to separate a mixture of solid and liquid or immiscible liquids. Oil is much less dense than water. It floats above the surface of water, when mixed together. Thus, they can be separated by decantation easily.

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Q. Can sedimentation and decantation be used to separate a mixture of salt and water ?

What is the use of sedimentation and decantation and filtration because still after this processes germs are there in water, can we directly do distillation for insoluble impurities instead of these processes

Question 13

State whether the following statements are true or false.

(a) A mixture of oil and water can be separated by filtration.
(b) Water can be separated from salt by evaporation.
(c) A mixture of wheat grains and wheat flour can be separated by sieving.
(d) A mixture of iron filings and rice flour can be separated by magnet.
(e) A mixture of wheat grains and rice flakes can be separated by winnowing.
(f) A mixture of tea leaves and milk can be separated by decantation.

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Oil can be separated from water by:

The correct option is B decantation Decantation is a process to separate a mixture of solid and liquid or immiscible liquids. Oil is much less dense than water. It floats above the surface of water, when mixed together. Thus, they can be separated by decantation easily.

The correct option is B
decantation

Decantation is a process to separate a mixture of solid and liquid or immiscible liquids. Oil is much less dense than water. It floats above the surface of water, when mixed together. Thus, they can be separated by decantation easily.