Ontario Grade 9 Science Class Practice Exam 2025 - Free Grade 9 Science Practice Questions and Study Guide

Question: 1 / 400

What is a pure substance?

A mixture of multiple types of particles

A substance made up of only one type of particle

A pure substance is a substance that is made up of only one type of particle. This excludes options A, C, and D which mention multiple types of particles, liquids, and components, respectively. A pure substance is always uniform in its physical and chemical properties, unlike a mixture which can have varying compositions depending on its components. Thus, B is the only answer that accurately defines a pure substance.

Get further explanation with Examzify DeepDiveBeta

A liquid that is clear and colorless

A substance that can be easily separated into its components

Next Question

Report this question

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy