CG TET 2019 Math and Science Solved Paper

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Question : 149 of 150

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100 ml solvent is given us for the extraction. Which of the following extraction will be most effective?

Only one time extraction by 100 ml.
Two times extraction by 50 ml.
Five times extraction by 20 ml.
One time extraction by 40 ml and two extraction by 30 ml.

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