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  • A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement? (a) Water, air, wind (b) Air, sugar, oil

A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement?

(a) Water, air, wind
(b) Air, sugar, oil
(c) Oxygen, water, sugar
(d) Salt, juice, air

Answers (1)

Ans.C

Sol.

The intermolecular forces and its strength defines the state of matter.

Strong molecular forces leads the substance to be a solid, moderate molecular forces makes it liquid and the weakest or no intermolecular forces makes it gas.

Hence we can say the intermolecular forces increases, if the state of matter changes from gases to liquid to solid.

Air, oxygen and wind are gases.

Water, oil and juice are liquids.

Sugar and salt are solids.

Hence the correct answer is C

Posted by

Gurleen Kaur

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