TN TET 2012 Paper 2 Math and Science Paper
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Question : 138 of 150
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Reverse osmosis is different from osmosis in the following aspects
I. Pressure to be applied
II. Energy needed
III. Water flows from higher gradient to lower gradient
IV. Semi permcable membrane is essential
I. Pressure to be applied
II. Energy needed
III. Water flows from higher gradient to lower gradient
IV. Semi permcable membrane is essential
Of these
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