Q.

Assertion: Sugar is a pure substance.


Reason: Pure substances are the substances which have fixed composition and do not contain any impurities.


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a

Both assertion and reason are correct and reason is the correct explanation for assertion       

b

Both assertion and reason are correct but reason is not the correct explanation for assertion

c

Assertion is correct but reason is incorrect

d

Both assertion and reason are incorrect  

answer is A.

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Detailed Solution

Pure substances are those that have a consistent composition and are free of contaminants. Sugar is a pure substance because its chemical makeup is defined and it does not include any contaminants.
  
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