Question

Multiple-Choice Questions

1. Which of the following fuels burns without a flame?

(a) LPG
(b) Kerosene oil
(c) Wood
(d)coal​

Answer 1

Answer:

coal burns without flame

Answer 2

Question:

Which of the following fuels burns without a flame?

Options:

(a) LPG

(b) Kerosene oil

(c) Wood

(d)coal

Answer:

D) Coal.

Explanation:

●Coal is a hard rock which can be burned as a solid fossil fuel.

● Coal does not produce  flame when burnt.

●The substances which vapourizes on burning produce flame.

● But Coal does not vapourizes.

●Coal burns with just a glow red and gives out heat without flame.

●Coal is used for electricity generation, steel production, cement manufacturing and as a liquid fuel.