
Classification of Matter
Flashcard
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
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 hydrogen (H), oxygen (O), and gold (Au).
2.
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).
3.
FLASHCARD QUESTION
Front
What is a mixture?
Back
A mixture is a combination of two or more substances that are not chemically bonded. Examples include air (a mixture of gases) and salad (a mixture of vegetables).
4.
FLASHCARD QUESTION
Front
What is filtration?
Back
Filtration is a physical separation method used to separate solids from liquids or gases using a filter. It is commonly used in water purification.
5.
FLASHCARD QUESTION
Front
What is evaporation?
Back
Evaporation is the process by which liquid turns into vapor, usually when heated. It is a method used to separate a soluble solid from a liquid.
6.
FLASHCARD QUESTION
Front
What is distillation?
Back
Distillation is a separation technique that involves heating a liquid to create vapor and then cooling the vapor to create a liquid. It is used to purify liquids.
7.
FLASHCARD QUESTION
Front
What is chromatography?
Back
Chromatography is a technique used to separate mixtures based on the different rates at which components move through a medium. It is often used in chemistry to analyze substances.
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