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WorksheetsAcids and Bases and Calculating Log[h+]
Total questions: 24
Worksheet time: 53mins
Name
Class
Date
1.
Measure of how acidic or basic something is, based on the concentration of hydrogen ions in the solution.
a)
aH
b)
bH
c)
pH
d)
pOH
2.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
3.
Bases are what range on the pH scale?
a)
0-6.99
b)
7
c)
7.1-14
d)
0-14
4.
What are properties of a base?
a)
Slippery, bitter, does not react with metals, pH above 7.
b)
Slippery, bitter, reacts with metals, pH below 7.
c)
Sour, reacts with metals, pH below 7
d)
Sour, reacts with metals, pH above 7.
5.
Acids react with
a)
water to produce bases and salts
b)
salts to produce bases and water
c)
neither bases, salts nor water
d)
bases to produce salts and water
6.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
7.
What are properties of acids?
a)
Bitter, slippery, ph above 7
b)
Sour, reacts with metals, ph below 7
c)
Sour, reacts with metals, ph above 7
d)
Bitter, ph of 7, does not react with metals
8.
An Arrhenius acid must contain ___ and ionize to produce ___.
a)
hydrogen ions; a solution with a pH greater than 7
b)
hydrogen; hydrogen ions
c)
hydroxide ion; hydroxide ions
d)
hydroxide ion; a solution with a pH greater than 7
9.
The pH of a 0.001 M solution of HCl is
a)
11
b)
3
c)
-3
d)
-11
10.
What is the pOH of a solution that has a pH of 2?
a)
10
b)
12
c)
14
d)
1
11.
What is the [OH-] if the pH is 4.9?
a)
7.94 x 10-10 M
b)
1.0 x 10-4 M
c)
7.94 x 10-14 M
d)
4.9 x 10-10 M
12.
The lower the pH, the greater the concentration of :
a)
OH-
b)
H+
c)
H2O2
d)
H2O
13.
The pOH of sea water is 5.9. What is its pH?
a)
0.0000000083
b)
0.0000013
c)
5.9
d)
8.1
14.
What is the OH- concentration of a solutions whose pOH is 12.40?
a)
1.0 x 10-1 M
b)
8.9 x 10-2 M
c)
4.4 x 10-2 M
d)
3.98 x 10-13 M
15.
If [H3O+]=1.7 x 10-3 M, what is the pH of the solution?
a)
2.13
b)
1.81
c)
2.77
d)
2.42
16.
If a solution has a [H+] of 1.2 x 10-4M what is the [OH-]?
a)
8.3 x 10-4M
b)
8.3 x 10-11M
c)
1.2 x 1010M
d)
1.2 x 10-4M
17.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
18.
What is the formula for Nitrous acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
19.
What is the formula for perchloric acid?
a)
H3ClO3
b)
H3ClO4
c)
HClO3
d)
HClO4
20.
Name the acid: HC2H3O2
a)
Acetic Acid
b)
Acetous Acid
c)
Hydrogen Acetate
d)
Hydrogen Dicarbon Trihydrogen Dioxygen
21.
Hydroiodic acid
a)
H2I2
b)
H1I1
c)
HI
d)
HF
22.
chlorous acid
a)
HClO3
b)
HClO2
c)
HClO
d)
HCl
23.
Name HF
a)
hydrofluoric acid
b)
Hypofluoric acid
c)
hydrogen fluorine acid
d)
fluoric acid
24.
What is HNO2 called?
a)
Nitric acid
b)
nitrous acid
c)
hydronitric
d)
Nitrite acids
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