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 homogeneous mixture?
Back
A homogeneous mixture is a mixture that has a uniform composition throughout. Examples include solutions like saltwater and air.
2.
FLASHCARD QUESTION
Front
What is a physical property?
Back
A physical property is a characteristic of a substance that can be observed or measured without changing its identity. Examples include color, melting point, and malleability.
3.
FLASHCARD QUESTION
Front
What is a chemical property?
Back
A chemical property is a characteristic of a substance that describes its ability to undergo a specific chemical change. Examples include flammability and reactivity.
4.
FLASHCARD QUESTION
Front
What is an element?
Back
An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include Iron (Fe), Oxygen (O), and Gold (Au).
5.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more elements are chemically bonded together. Examples include water (H2O) and carbon dioxide (CO2).
6.
FLASHCARD QUESTION
Front
What is malleability?
Back
Malleability is the ability of a substance to be deformed or shaped into thin sheets without breaking. It is a physical property.
7.
FLASHCARD QUESTION
Front
What is combustion?
Back
Combustion is a chemical reaction that occurs when a substance reacts with oxygen to produce heat and light, often resulting in an explosion.
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