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1 g of a non-volatile non-electrolyte solute is dissolved in 100 g of two different solvents A and B whose ebullioscopic constants are in the ratio of 1 : 5. The ratio of the elevation in their boiling points, ) B ( T ) A ( T b b Δ Δ , is :

1. 5 : 1
2. 1 : 0.2
3. 10 : 1
4. 1 : 5

Correct answer: 1 : 5

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