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WorksheetsWater Review
Total questions: 21
Worksheet time: 12mins
Name
Class
Date
1.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
2.
The chemical compound of water is
a)
HO
b)
H2O
c)
H3O
d)
HO2
3.
Water is a universal solvent
a)
True
b)
False
4.
Pure water has a
a)
Neutral pH
b)
Negative pH
c)
Positive pH
d)
Both Negative and Positive pH
5.
A Compound that is being dissolved is called a
a)
Solution
b)
Solute
c)
Solvent
d)
Suspension
6.
A solvent is...
a)
substance into which the solute dissolves
b)
a compound being dissolved
c)
a substance that does not dissolve
d)
None of the above
7.
What is water made of?
a)
Water
b)
Liquid
c)
Hydrogen and oxygen
d)
Blue
8.
A water strider can skate along the top of a pond because:
a)
covalent bonds result in water cohesion
b)
hydrogen bonds result in water cohesion (surface tension)
c)
water striders have adapted to take advantage of water cohesion
d)
low surface tension of water
9.
Why can water have no net charge but have slight charges in different parts of the molecule?
a)
The oxygen end is slightly negative and the hydrogen end is slightly positive
b)
The hydrogen end is slightly negative and the oxygen end is slightly positive
c)
The hydrogen and oxygen ends change in polarity
d)
Because it is hydrophobic
10.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
11.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
12.
Which types of compounds dissolve easily in water?
a)
Polar and Nonpolar
b)
Polar and Ionic
c)
Nonpolar and Ionic
d)
Covalent and Nonpolar
13.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
14.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
15.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
16.
In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?
a)
Both of the solution are Bases
b)
Both of the solution are Acids
c)
The Baking soda is an acid and the Bleach is a base
d)
The baking soda is a base and the Bleach is an Acid.
17.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
18.
A solution with a pH of 10 is mixed with a solution with a pH of 4. What would the pH of the mixture most likely be?
a)
10
b)
4
c)
40
d)
7
19.
A covalent bond that involves sharing a pair of electrons between atoms in a molecule.
a)
A Covalent Bond
b)
An ionic Bond
20.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
21.
This picture shows a...
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
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