Worksheetswater and pH
Total questions: 16
Worksheet time: 16mins
Name
Class
Date
1.
A solution with a pH of 3.6 would be...
a)
Acid
b)
basic
c)
Neutral
d)
Acid and basic
2.
Is water a polar or non-polar molecule?
a)
polar
b)
non-polar
3.
What does the pH scale range from?
a)
0-10
b)
2-15
c)
1-5
d)
0-14
4.
What is cohesion?
a)
water molecules sticking to other water molecules
b)
water molecules sticking to different molecules
c)
when you dissolve a substance in a solution
d)
when molecules become chemically combined
5.
what number is considered neutral on the pH scale?
a)
4
b)
12
c)
7
d)
10
6.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
7.
Why does ice float in water?
a)
Because of stronger hydrogen bonds at the surface
b)
The density of water as a solid is less than the density of water as a liquid
c)
Surface tension helps it float
d)
It is more dense
8.
What is an example of an organism that uses surface tension?
a)
a water llama
b)
a water strider
c)
a tadpole
d)
a snakehead
9.
What is the main property of water?
a)
Ice
b)
Adhesion
c)
Cohesion
d)
Polarity
10.
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
11.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2
12.
What is a hydrogen bond?
a)
attraction between molecules of the same substance
b)
substance that is dissolved in a solution
c)
weak attraction between a hydrogen atom and another atom
d)
way plants transport water through their tissues
13.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 5
14.
Pollution causes the pH of rain water fall below 6. What is such type of rain called?
a)
Acid rain
b)
polluted rain
c)
low pH rain
d)
non-point source pollution
15.
A solution with a pH of 7.0 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
16.
What is a solute?
a)
The substance that does the dissolving in a solution.
b)
The substance that is dissolved into the solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
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