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Physical And Chemical Change
Test Description: Practice
Instructions: Answer all questions to get your test result.
1) a change when only the physical properties are changed. The substance looks different but is still the same thing.
A
Chemical change
B
physical change
C
none of the above
D
elemental change
2) a change when the physical and chemical properties are changed. A whole new substance is created.
A
chemical change
B
physical change
C
elemental change
D
none of the above
3) You mix baking soda and vinegar and notice bubbling and fizzing. Which sign of a chemical change occurred?
A
precipitate formed
B
color change
C
gas omitted
D
temperature change
4) Which of the following is an example of a chemical change
A
burning wood
B
tearing paper
C
mowing the lawn
D
breaking glass
5) Which of the following is an example of a physical change
A
metal rusting
B
ice melting
C
milk spoiling
D
fireworks exploding
6) When water freezes, what kind of change has happened?
A
chemical change
B
none of the above
C
elemental change
D
physical change
7) You mix milk and vinegar and notice after several minutes that are solid substance has formed in the milk. What sign of a chemical change has occurred?
A
color change
B
gas omitted
C
temperature change
D
precipitate formed
8) What is a precipitate?
A
It is when a solid forms in a liquid during a chemical reaction
B
none of the above
C
It is when there is bubbling and fizzing during a chemical reaction
D
it is when the temperature gets colder during a chemical reaction
9) Which of the following is an example of a chemical change
A
slicing apples
B
chopping wood
C
drawing on a piece of paper
D
baking a cake
10) which of the following is an example of a chemical change
A
glass breaking
B
slicing bread
C
boiling water
D
a candle burning
*select an answer for all questions
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