Chapter 2 Flashcard Review

Flashcard
•
Chemistry
•
10th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include cutting, melting, and dissolving.
2.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a process where one or more substances are transformed into different substances with new chemical properties. Examples include rusting, burning, and digestion.
3.
FLASHCARD QUESTION
Front
What is rusting?
Back
Rusting is a chemical change that occurs when iron reacts with oxygen and moisture in the environment, forming iron oxide (rust).
4.
FLASHCARD QUESTION
Front
What is an intensive property?
Back
An intensive property is a property that does not depend on the amount of substance present. Examples include density, color, and boiling point.
5.
FLASHCARD QUESTION
Front
What is an extensive property?
Back
An extensive property is a property that depends on the amount of substance present. Examples include mass, volume, and total energy.
6.
FLASHCARD QUESTION
Front
What happens during a chemical reaction?
Back
During a chemical reaction, bonds between atoms are broken and new bonds are formed, resulting in the creation of new substances.
7.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change alters the form or appearance of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.
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