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PS 9
Test Description: X
Instructions: Answer all questions to get your test result.
1) which ingredient is used as a meat tenderizer in marinades
A
oil
B
baking soda
C
vinegar
D
water
2) the pH of a substance is a measure of
A
ability to mix with water
B
food value
C
hydronium ion concentration
D
boiling point
3) when a solution of acid reacts with a solution of base, hyrdonium ions react with hydroxide ions to form
A
weaker base
B
stronger acid
C
salt
D
water
4) which is a basic substance
A
HCl in water
B
lemon juice
C
ammonia
D
vinegar
5) a disinfectant is a substance that
A
forms a base
B
kills bacteria and viruses
C
mixes safely with vinegar
D
forms an acid
6) which is a basic compound
A
bleach
B
antacid
C
all of the answers are correct
D
drain cleaner
7) a substance with a pH of 13 is
A
mildly basic
B
neutral
C
strongly acidic
D
strongly basic
8) soap can remove grease and oil from your skin because it acts as
A
an acid to neutralize dirt
B
an emulsifyer to surround oil
C
a salt to make water harder
D
a solvent to dissolve dirt
9) which is most acidic
A
pH 6
B
pH 10
C
pH 1
D
pH 3
10) which is the strongest electrolyte
A
weak acid
B
strong acid
C
neutral solution
D
weak base
*select an answer for all questions
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