Question

Which substance CAN be decomposed by chemical means?

(1) aluminum
(2) octane
(3) silicon
(4) xenon

Answer 1

Ethanol (C₂H5OH) is the substance that can be decomposed by chemical means.

Step-by-step explanation:

Out of the given substances, ethanol (C₂H5OH) is the one that can be decomposed by chemical means.

Ethanol can be broken down into its constituent elements (carbon, hydrogen, and oxygen) through chemical reactions.