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Physical Science Review 6.1
Test Description: Observing Chemical Change
Instructions: Answer all questions to get your test result.
1) Which of the following is not an example of chemical change?
A
rusting iron
B
an apple ripening
C
wood burning
D
cutting paper
2) A computer has mass and takes up space so it must be
A
matter
B
chemical
C
changeable
D
useful
3) Which of the following is not an indication of a chemical change?
A
formation of a precipitate
B
letting off heat or light
C
a change in mass of a substance
D
production of a gas
4) What kind of reaction usually occurs when food is cooked (energy is put in)?
A
exothermic
B
technical
C
physical
D
endothermic
5) During a chemical reaction the surrounding temperature increases. What kind of reaction was it?
A
physical
B
endothermic
C
technical
D
exothermic
6) A solid that forms from solutions during chemical reactions is called a
A
clump
B
solution solid
C
brick
D
precipitate
7) When bonds break and new bonds form a _______________ change occurs
A
technical
B
chemical
C
physical
D
material
8) braiding hair is a change in the appearance of the hair so it is a ___________________ change
A
physical
B
chemical
C
material
D
technical
9) What is the difference between a physical property and a chemical property?
A
a physical property can be observed without changing the substance
B
2 of the choices
C
a chemical property can be observed without changing the substance
D
a physical property can only be observed by changing the substance
10) The study of how something that has mass and volume changes is
A
chemistry
B
a chemical property
C
a physical property
D
a precipitate
*select an answer for all questions
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