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Ch 9 PS
Test Description: V
Instructions: Answer all questions to get your test result.
1) a solution that is mildly acidic would have a pH of
A
6
B
9
C
4
D
2
2) The label on a bottle says pH of 13. The substance is
A
strongly basic
B
a strong acid
C
mildly basic
D
neutral
3) when an acid reacts with a base, the hydronium oions react with hydorixide ion to form
A
a stronger acid
B
water
C
a weaker base
D
a salt
4) when a solutio of an acids reacts with a solution of a base, the pH of the resulting solution depends on
A
concentration of base
B
temperature
C
concentration of base
D
the amount of acid and base used
5) what is a salt
A
a solution that contains more anions than cations and is strongly acidic
B
a substance formed by mixing two strong acids
C
an ionic compound that does not contain oxide or hydroxide anions
D
a soltuion that contains a strong acid
6) soap making is a reaction between compounds found in animal fats or vegetable oils and
A
hydrocarbon chains
B
hydroxide
C
glycerol
D
sodium chloride
7) which is a neutralization reaction
A
H3O + OH -> 2H2O
B
2H2 + O2 -> 2H2O
C
NaOH -> Na + OH
D
HNO3 + H2O -> H3O + NO3
8) Which are the spectator ions H3O + Br + K + OH -> k + Br + 2H2O
A
Br and OH
B
Br and K
C
H3O and K
D
H3O and OH
9) a base forms which ions when in solution
A
hydronium
B
hydroxide
C
hydrogen
D
oxygen
10) what does pH measure
A
solubility of solute
B
concentration of H3O ions
C
concentration of metal ions
D
molarity of solute
*select an answer for all questions
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