Which One of the Following Represents a Physical Change
A) $\circ$

question 22

Multiple Choice

Which one of the following represents a physical change

• A) water, when heated to 100^\(\circ\)C, forms steam
• B) bleach turns hair yellow
• C) sugar, when heated, becomes brown
• D) milk turns sour
• E) apples, when exposed to air, turn brown

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Definitions:

Aldehyde

Organic compounds characterized by the presence of a carbonyl group bonded to at least one hydrogen atom.

Ketone

An organic compound characterized by a carbonyl group bonded to two other carbon atoms; important in organic chemistry and biology.

Trans-2-Methoxycyclohexanol

A compound featuring a cyclohexane ring with a methoxy group and a hydroxyl group in a trans configuration relative to each other.

Cyclohexanone

A six-membered cyclic ketone, used as a solvent and in the synthesis of nylon and other polymers.