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Ram went to chemistry lab to perform experiment, which is given as:
“He took 3 ml of ethanol in a dry test-tube and warm it gently in a water bath, then add a 5% solution of alkaline potassium permanganate drop by drop to this solution”. What did Ram cannot observe in his experimental test-tube

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The solution of the test- tube turns blue litmus to red.

The purple colour of solution disappears upon heating

The smell of ethanol comes out

The smell of vinegar comes out from the test tube

answer is B.

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The smell of ethanol comes out.

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