Which of the following is an accurate definition of a pure substance
A) A pure substance must be made of only one element
B) A pure substance must be a solid at room temperature
C) A pure substance will be transparent
D) A pure substance is matter that cannot be broken down into other matter
E) A pure substance is matter that has a definite composition

Question

Quizplus · Accepted Answer

A pure substance is defined as matter that has a definite chemical and physical composition. This means that the substance is composed of only one type of particle, with a fixed and specific arrangement of atoms or molecules. It can be a solid, liquid, or gas, and it may or may not be transparent. The key characteristic of a pure substance is that it cannot be separated into other substances by physical means such as filtration, distillation, or evaporation.

Which of the Following Is an Accurate Definition of a Pure