Which of the following represents a physical property of water?
A) Water boils at 100°C.
B) An electrical current decomposes water into hydrogen gas and oxygen gas.
C) Water reacts with iron metal and oxygen to form rust.
D) Water reacts with carbon monoxide to form carbon dioxide and hydrogen gas.
E) Water is used in photosynthesis.

Question

Quizplus · Accepted Answer

The boiling point of water is a physical property that can be observed and measured without changing the chemical composition of water. Options B, C, D, and E describe chemical reactions involving water, which are not physical properties.

Which of the Following Represents a Physical Property of Water