The maximum amount of drugs that can be dissolved into 100g of water is 25g. If any more quantity of drug is added it remains undissolved and gets settled down. Now, water is evaporated at the rate of 28 g/h from 1kg of the mixture which contains 4% drug. Approximately after how long will it start depositing at the base?

The maximum amount of drugs that can be dissolved into 100g of water i

1.	The maximum amount of drugs that can be dissolved into 100g of water is 25g. If any more quantity of drug is added it remains undissolved and gets settled down. Now, water is evaporated at the rate of 28 g/h from 1kg of the mixture which contains 4% drug. Approximately after how long will it start depositing at the base?
A.	15 h
B.	23 h
C.	29 h
D.	35 h
E.	None of these
Answer» D. 35 h

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