what is the physical state of benzonic acid during time interval of 35 to 40 min
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solid
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How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25°C), which are miscible with each other? Or Benzoic acid is used as a food preservative. The graph below shows the heating curve for benzoic acid. Study the graph and answer the following questions (i) At what time does benzoic acid begin to (a) melt? (b) boil? (ii) What is the melting point of benzoic acid? (iii) What happens to the temperature while benzoic acid melts? (iv) What is the physical state of benzoic acid during the time interval
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