WorksheetsSolutions and acids and bases
Total questions: 19
Worksheet time: 3hrs 55mins
Name
Class
Date
1.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
2.
This is the part of a solution that dissolves
a)
Solute
b)
Solvent
c)
Solution
d)
Mixture
3.
salt water is a
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
4.
Kool-Aid - Powder, sugar, and water
Identify the solvent
Identify the solvent
a)
water
b)
powder
c)
sugar
d)
powder and sugar
5.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
6.
Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
7.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
8.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
9.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
10.
products of a neutralisation reaction are always
a)
an acid and a base
b)
an acid and a salt
c)
salt and water
d)
salt and base
11.
... are used to neutralise acid in the stomach.
a)
Toothpastes
b)
Bacterias
c)
Antacids
d)
More strong acids
12.
Zn(OH)2 is an example of a...
a)
acid
b)
base
c)
salt
13.
H3PO4 is an example of a ...
a)
acid
b)
base
c)
salt
14.
Identify the salt in the following equation:
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
15.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
16.
0.03 g of NaCl is added to a 150 ml volumetric flask and water is added up to the 150 ml line. Determine the concentration of the solution in ppm.
a)
20 ppm
b)
200 ppm
c)
0.2 ppm
d)
2000 ppm
17.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
18.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
19.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
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