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Effect of Temperature on Matter

how does addi...

Question

how does adding impurities to a pure substance affect its melting point

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Solution

$A d d i t i o n o f i m p u r i t i e s l o w e r s t h e m e l t i n g p o i n t b y d i s t u r b i n g t h e r e g u l a r a r r a n g e m e n t o f p a r t i c l e s a n d b o n d i n g . S o l e s s e n e r g y i s n e e d e d t o b r e a k t h e b o n d . S o m e l t i n g p o i n t i s l o w e r$

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Similar questions

How does pressure affect the boiling any melting/freezing point of a substance ?

Q. Assertion :Sugar is a pure substance. Reason: Pure substances are the substances which have fixed composition and does not contain any impurities.

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

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.

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Effect of Temperature on Matter

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