WorksheetsWater Chemistry Make up
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
The Hydrogen atoms in H2O are positively charged
a)
True
b)
False
2.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
3.
Water is polar because...
a)
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
b)
The molecule has two poles, at which the it is colder than other regions of the molecule.
c)
The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.
d)
The water molecule is neutral.
4.
A _______________________ is a weak intermolecular force
a)
Hydrogen
b)
Hydrogen bond
5.
True or false, water is a polar molecule?
a)
True
b)
False
6.
Eutrophication means what?
a)
Fish thriving
b)
Fish dying due to an overgrowth of plants
c)
Fish dying due to no food
d)
An oasis of water for fish
7.
What are the two nutrients that all living things need?
a)
Phosphorus and Nitrogen
b)
Mrs. Wright and Oxygen
c)
Eutrophication and Phosphorus
d)
Carbs and Fats
8.
Which nutrient is the most limiting for aquatic life?
a)
Nitrogen
b)
Phosphorus
c)
None of the above
9.
Surface tension in water causes what?
a)
Surface stickiness
b)
a smooth surface
c)
fish to die
d)
all of the above
10.
True of false, oxygen gas dissolves well in water.
a)
true
b)
false
100 %
