Podcast
Questions and Answers
Which of the following is NOT a physical change?
Which of the following is NOT a physical change?
- Burning wood (correct)
- Freezing water into ice
- Crushing a can
- Melting butter
What is the difference between a pure substance and a mixture?
What is the difference between a pure substance and a mixture?
- Pure substances are always solids, while mixtures can be solids, liquids, or gases.
- Pure substances can be separated by physical means, while mixtures cannot.
- Pure substances are always elements, while mixtures are always compounds.
- Pure substances have a fixed composition, while mixtures can vary in their composition. (correct)
What is a chemical change?
What is a chemical change?
- A change that always releases heat or energy.
- A change that alters the chemical composition of the substance leading to the formation of new substances. (correct)
- A change that only alters the physical properties of the substance.
- A change that is always reversible.
Which of the following is an example of a physical property?
Which of the following is an example of a physical property?
Which of the following correctly describes the states of matter?
Which of the following correctly describes the states of matter?
Flashcards
Physical Change
Physical Change
A change that alters physical properties without changing chemical structure.
Chemical Change
Chemical Change
A change that alters both physical properties and chemical structure.
States of Matter
States of Matter
The distinct forms that matter can take: solid, liquid, gas.
Properties of Matter
Properties of Matter
Signup and view all the flashcards
Classifications of Matter
Classifications of Matter
Signup and view all the flashcards
Study Notes
Types of Changes in Matter
- Matter undergoes physical and chemical changes.
- Physical changes alter physical properties, not chemical structure.
- Chemical changes alter both physical and chemical structure.
States of Matter
- Matter exists in solid, liquid, and gas states.
Properties of Matter
- Matter possesses physical and chemical properties.
Classifications of Matter
- Pure substances include elements and compounds.
- Mixtures are also a classification of matter.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
