Question

Hydrocarbons are composed of the elements
(1) carbon and hydrogen, only
(2) carbon and oxygen, only
(3) carbon, hydrogen and oxygen
(4) carbon, nitrogen and oxygen

Answer 1

From the name Hydrocarbons, they are composed of Hydrogen and Carbon only.

So it is (1)

Answer 2

Hydrocarbons are composed of the elements which posses carbon and hydrogen only.

What is hydrocarbon?

A hydrocarbon will be referred as an organic substance composed solely of carbon as well as hydrogen atoms.

What is elements?

A substance that could not be subdivided into another substance is generally referred to as an element.

Therefore, hydrocarbons are composed of the elements which posses carbon and hydrogen only.

To know more about hydrocarbon and elements.

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