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Main disadvantage of the power alcohol is _______

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Main disadvantage of the power alcohol is _______

(a) starting troubles

(b) more cost

(c) increases foreign currency

(d) increases octane number of petrol

The question was posed to me in unit test.

I need to ask this question from Power alcohols as Fuels in division Fuel Technologies of Applied Chemistry

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Right option is (a) starting troubles

Explanation: The main disadvantages of the power alcohols are starting troubles due to the high surface tension and atomization.

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