Question

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Answer 1

Question:

Coal mainly contains :

• Carbon
• Carbon and Hydrogen
• Carbon, Hydrogen and Nitrogen
• Carbon, Nitrogen and Oxygen

Answer:

Coal mainly contains :

• $\small{\orange{\bf{Carbon~✓}}}$
• Carbon and Hydrogen
• Carbon, Hydrogen and Nitrogen
• Carbon, Nitrogen and Oxygen

Explore more from here:

Coal is black and hard combustible substance which mainly consists Carbon. It is found under the surface of Earth.

Coal formed by decomposition of large plants & Trees buried under the Earth.

Uses of coal:

• Coal is used as fuel
• Coal is also used(as fuel) for generating electricity.
• It is used for make coke and coal gas.