Which of these compounds contains only carbon and hydrogen atoms?

Ethanol (C2H5OH)

Methane (CH4)

Chloroform (CHCl3)

Acetic acid (C2H4O2)

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Answer and Solution

B. Methane (CH4)

Methane (CH4) contains only carbon and hydrogen atoms, whereas the other options include oxygen or chlorine atoms in their structures.

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