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Question

Choose the most appropriate answer:  
  
Chemical changes involve;

A

change in shape

B

change in size

C

change in molecular composition

D

none of these

Medium

Solution

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Correct option is
C

change in molecular composition

Chemical changes occur when bonds are broken or formed between molecules or atoms. This means that one substance with a certain set of properties is turned into a different substance with different properties.
So, chemical changes involve change in molecular composition.
Option C is correct.

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