Tag: mixtures: examples and properties

Questions Related to mixtures: examples and properties

Substances are separated, because the :

chemistry separation of substances classification of mixtures mixtures: examples and properties types of solutions

  1. harmful substance can be removed

  2. non-useful substance can be removed

  3. useful substance, which we require separately

  4. All of these

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Correct Option: D
Explanation:

Separation of a mixture is done in order to :


(i) remove impurities or harmful substances.


(ii) to get pure substance.

(iii) to separate the components of the mixture and get the useful substance which is required, separately.


Hence the option D is correct.

Which pair of the following substances is said to be isomorphous?

chemistry composition of matter classification of mixtures mixtures: examples and properties types of solutions

  1. White vitriol and blue vitriol

  2. Epsom salt and Glauber salt

  3. Blue vitriol and Glauber salt

  4. White vitriol and epsom salt

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Correct Option: A
Explanation:

White vitriol and blue vitriol are known as isomorphous because they have similar chemical formula and closely similar in shape.

Seawater can be separated in order to obtain pure substances like salt and water.

chemistry separation of substances classification of mixtures mixtures: examples and properties types of solutions

  1. True

  2. False

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Correct Option: A
Explanation:

It is possible to separate seawater to obtain pure substances like salt and waters. For this various physical and chemical processes are used.

Crude oil can be separated into petrol, diesel, kerosene, wax, etc.

chemistry separation of substances classification of mixtures mixtures: examples and properties types of solutions

  1. True

  2. False

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Correct Option: A
Explanation:

The crude oil can be separated into various substances like petrol, diesel, kerosene, wax, etc. These are very useful in supplying energy and in various processes.