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Boiling Point

Impurities ha...

Question

Impurities have no effect on the boiling and melting points of a substance.

A

True

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B

False

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Solution

The correct option is B False

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Similar questions

Q. Which of the following statement(s) is/are correct?
(a) Non-volatile impurities decrease the boiling point of the substance.
(b) Addition of impurities to a solid decrease the melting point of solid.
(c) Lower the boiling point of a liquid, higher is its rate of evaporation.

Q. The diagram shows the melting and boiling points of four different substances. Which substance has a melting point at

{- 20}^{\circ} C

and a boiling point at

160^{\circ} C

? Also identify the two substances having same boiling points.

Q. The diagram below shows the melting and boiling points of four different substances. Which substance has a melting point at

{- 20}^{\circ} C

? Arrange the four substances in ascending order of their melting and boiling points.

Why does melting point of a substance decreases and boiling point of the substance increases ????

Q. What is the effect of impurities on boiling point of water ?

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