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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
neutral change
B
physical change
C
acidity change
D
chemical change
2) What are signs that a chemical change is occurring?
A
gas is produced and it changes shape
B
it changes to a solid material
C
heat is produced, light is produced, color changes
D
gas is reduced and the color remains the same
3) This reaction can be reversed because it doesn't form something new.
A
neutral reaction
B
physical reaction
C
acid reaction
D
chemical reaction
4) A solution that is neither acidic or basic is
A
neutral
B
alkalinity
C
indicator
D
acidity
5) Ice melting is an example of a
A
acid change
B
physical change
C
chemical change
D
base change
6) An example of a solution that is always neutral is
A
water
B
baking soda
C
fruit juice
D
soda pop
7) This is a substance whose color changes when it is mixed with an acid or base
A
acid
B
vinegar
C
lemon juice
D
indicator
8) This tells how much of an acid or base a solution is
A
antibiotic
B
pH
C
alkalinity
D
acidity
9) Medicine that is made from a mold
A
penicillin
B
polymer
C
antibiotic
D
aspirin
10) This describes the strength of a base
A
alkalinity
B
indicating
C
neutralizing
D
acidity
*select an answer for all questions
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