Multiple choice

If the oxygen supply is sufficient, then the fuel burns completely, producing mainly a blue flame. In which of the following cases is a blue flame produced?

a. The burning of LPG in a kitchen gas stove b. The burning of kerosene in a lamp c. The burning of a wax candle

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option as in the burning of LPG in a kitchen gas stove, a blue flame is produced. The blue flame is produced when there is a complete combustion of LPG.

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