What is density?
Semeter 1 review CHEMISTRY

Flashcard
•
Science, Chemistry
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Density is the mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).
2.
FLASHCARD QUESTION
Front
True or False: The density of a specific type of material never changes.
Back
True
3.
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.
4.
FLASHCARD QUESTION
Front
Why is the change of shape in clay considered a physical change?
Back
Because the clay can be reshaped back to its original form without any chemical alteration.
5.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change occurs when a substance transforms into a different substance with different properties, such as burning wood producing ashes.
6.
FLASHCARD QUESTION
Front
True or False: Experiments should be repeated to verify results.
Back
True
7.
FLASHCARD QUESTION
Front
What is a solution?
Back
A solution is a homogeneous mixture formed when a solid is dissolved in a liquid.
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