Consider some of the sentences related to blue flame.
I) It generally appears when alkanes are used as a fuel.
II) It is generally produced in LPG gas stoves or by burning of wax vapours.
III) The product of such a flame are carbon dioxide and water.
The correct statements are

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I and II

II and III

I and III

All of these

answer is D.

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Detailed Solution

I) It generally appears when alkanes are used as a fuel

II) It is generally produced in LPG stoves or by burning of wax vapours.

III) The product of such a flame are carbon dioxide and water.

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