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Why is an increase in temperature observ...

Why is an increase in temperature observed on mixing chloroform with acetone?

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Due to hydrogen bonding, there is greater force of attraction between chloroform and acetone. This results in release of energy.
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ICSE-SOLUTIONS-EXERCISE (PART-II Descriptive Questions) (VERY SHORT ANSWER QUESTIONS)
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  2. Why is benzene insoluble in water but soluble in toluene?

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