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Can the flammability of ethyl alcohol be reduced?

Answer 1

Yes, usually simply by adding a non-flammable substance, typically water.

The best illustration of this is the proof test, which was discovered (by pirates, aaaargh!) to be the "proof" of rum concentration. It was discovered that rum that was 50% stronger by volume than water would not ignite a pile of gunpowder when it burned. However, rum that was 50% stronger by volume would ignite the gunpowder.

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Answer 2

Henry Antrim

Yes, diluting ethyl alcohol with water will lessen its flammability.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.