Unit#7 Chemistry Pretest Deep Dive

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•
Science
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical property of a substance?
Back
A chemical property is a characteristic of a substance that becomes evident during a chemical reaction, indicating how it interacts with other substances.
2.
FLASHCARD QUESTION
Front
Give an example of a chemical property of water.
Back
Water reacts with pure sodium.
3.
FLASHCARD QUESTION
Front
What happens when magnesium reacts with hydrochloric acid (HCl)?
Back
This reaction is an example of a chemical property.
4.
FLASHCARD QUESTION
Front
What is the effect of cutting a copper wire into smaller pieces on its mass?
Back
The mass of the wire changes as a result of cutting it.
5.
FLASHCARD QUESTION
Front
What type of change occurs when salt dissolves in water?
Back
Dissolving salt in water is a physical change.
6.
FLASHCARD QUESTION
Front
What is an indicator of a chemical reaction rate change?
Back
Indicators of a chemical reaction rate change include changes in color, temperature, gas production, and precipitate formation.
7.
FLASHCARD QUESTION
Front
Which of the following is NOT an indicator of a chemical reaction rate change?
Back
A change in the state of matter is NOT an indicator of a chemical reaction rate change.
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