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Ch. 12 Chem/phy Reactions
Test Description: Ch. 12 chemical and physical changes acids and bases
Instructions: Answer all questions to get your test result.
1) What is it when matter changes in size, shape, or state of matter without also changing identity?
A
chemical change
B
neutral change
C
physical change
D
acidity change
2) What are signs that a chemical change is occurring?
A
heat is produced, light is produced, color changes
B
it changes to a solid material
C
gas is reduced and the color remains the same
D
gas is produced and it changes shape
3) This reaction can be reversed because it doesn't form something new.
A
physical reaction
B
chemical reaction
C
neutral reaction
D
acid reaction
4) A solution that is neither acidic or basic is
A
acidity
B
indicator
C
neutral
D
alkalinity
5) Ice melting is an example of a
A
chemical change
B
base change
C
physical change
D
acid change
6) An example of a solution that is always neutral is
A
baking soda
B
fruit juice
C
water
D
soda pop
7) This is a substance whose color changes when it is mixed with an acid or base
A
lemon juice
B
indicator
C
acid
D
vinegar
8) This tells how much of an acid or base a solution is
A
alkalinity
B
acidity
C
antibiotic
D
pH
9) Medicine that is made from a mold
A
aspirin
B
polymer
C
antibiotic
D
penicillin
10) This describes the strength of a base
A
indicating
B
neutralizing
C
acidity
D
alkalinity
*select an answer for all questions
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