
Ch 2 Matter Post-Test (2.1 - 2.3)
Flashcard
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process where substances combine or break apart to form new substances, often accompanied by energy changes, color changes, or the production of gas.
2.
FLASHCARD QUESTION
Front
Is baking a cake a physical or a chemical change?
Back
Baking a cake is a chemical change.
3.
FLASHCARD QUESTION
Front
What is reactivity in terms of matter?
Back
Reactivity is the ability of a substance to undergo a chemical reaction, often resulting in the formation of new substances.
4.
FLASHCARD QUESTION
Front
Is reactivity a chemical or physical property?
Back
Reactivity is a chemical property.
5.
FLASHCARD QUESTION
Front
What is an element?
Back
An element is a pure substance that consists of only one type of atom.
6.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more different types of atoms bond together.
7.
FLASHCARD QUESTION
Front
What is a mixture?
Back
A mixture is a combination of two or more substances that are not chemically bonded.
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