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Physical And Chemical Changes
Test Description: Reviews physical and chemical changes by giving example-based questions.
Instructions: Answer all questions to get your test result.
1) Is boiling water a chemical change or a physical change?
A
Both
B
Neither
C
Chemical change
D
Physical change
2) Is lighting a firework considered a physical or chemical change?
A
Both
B
Physical
C
Neither
D
Chemical
3) One of the ways you can identify a physical change is:
A
A sudden, unexpected color change
B
An explosion
C
Fizzing or bubbling
D
A change in state of matter
4) When food is digested in your stomach, is that a chemical or physical change?
A
Physical
B
When's lunch?
C
Chemical
D
Don't ask me, I am just a student here
5) When food is chopped by a knife in the kitchen, is that considered a physical or chemical change?
A
Both
B
Chemical
C
Physical
D
Neither
6) Which one is NOT a sign of a physical change?
A
Change in size or mass of the object
B
Change of state of matter
C
Sudden color change of the object
D
Change in shape of the object
7) When a solid, new substance is formed from two liquid substances, what is that called?
A
Premonition
B
Prenotation
C
Presubjection
D
Precipitate
8) What is one nonexample of a chemical reaction?
A
None, all of the above are chemical reactions
B
mixing vinegar and baking soda
C
putting metal in acid
D
baking a cake
9) Which of the below is not evidence of a chemical reaction?
A
Formation of a new substance
B
Cutting a metal chain
C
a temperature change
D
Formation of a precipitate
10) Is a temperature change ALWAYS an indicator of a chemical change?
A
No, not always
B
Depends on whether it gets hot or cold
C
None of the above
D
Yes!
*select an answer for all questions
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