

Physical and Chemical Changes Reading
Passage
•
Biology
•
7th Grade
•
Practice Problem
•
Hard
Ashley Walker
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a physical change?
A change in form without changing identity
A change that results in a new substance
A change that involves energy release
A change that cannot be reversed
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a chemical change?
Melting ice
Dissolving sugar in water
Rusting of iron
Freezing water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when vinegar and baking soda are mixed?
They form a new substance, carbon dioxide gas
They dissolve into each other
They form a precipitate
They change color
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates a chemical change when two solutions are mixed?
Formation of a precipitate
Dissolving of substances
Change in color
Evaporation of water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about chemical changes?
They are usually not reversible
They do not involve energy changes
They can be easily reversed
They do not form new substances
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