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Acids And Bases
Test Description: Hydronium and hydroxide ions, etc.
Instructions: Answer all questions to get your test result.
1) What is the chemical formula for a hydronium ion?
A
H2O
B
H3O+
C
HO-
D
H2O-
2) What causes hydronium ions to be formed in water?
A
salts
B
solutions
C
bases
D
acids
3) Which one is a proton acceptor?
A
salt
B
acid
C
solution
D
base
4) Which one forms a hydroxide ion when added to water?
A
salt
B
base
C
acid
D
solution
5) Solution is another name for a
A
element
B
heterogeneous mixture
C
substance
D
homogeneous mixture
6) What is the chemical formula for a hydroxide ion?
A
HO-
B
H3O+
C
H3O-
D
HO+
7) Which one cannot be used to measure the pH of a solution?
A
indicator
B
graduated cylinder
C
probe
D
meter
8) A solution with a pH of 8 is how many more times basic than a solution with a pH of 6?
A
0 times
B
100 times
C
2 times
D
20 times
9) An indicator is used to measure the
A
number of components in a mixture
B
solubility of a substance
C
pH of a solution
D
speed at which a solute dissolves
10) Which number is a possible pH for a solution that contains more hydroxide ions than hydronium ion8s?
A
8
B
4
C
6
D
7
*select an answer for all questions
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