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Chapter 3 Part 1
Test Description: Water, Carbon and Macromolecules
Instructions: Answer all questions to get your test result.
1) Why is water polar?
A
Because it has a full charge.
B
Oxygen pulls the electrons closer to it.
C
There is an uneven charge distribution
D
Hydrogen pulls the electrons closer to it.
2) The attraction between the partial charges on water is called a
A
Hydrogen bond
B
Ionic bon
C
Covalent bond
D
Aqueous solution
3) The attraction between like particles is called
A
cohesion
B
adhesion
C
ionic bonding
D
hydrogen bonding
4) The attraction between different particles is called
A
cohesion
B
hydrogen bonding
C
ionic bonding
D
adhesion
5) The combination of cohesion and adhesion to move water up a tube is called
A
cohesion
B
suction
C
capilarity
D
adhesion
6) Water must gain or lose a lot of energy to change its temperature due to
A
partial charges between molecules
B
ionic bonding between molecules
C
hydrogen bonding between molecules
D
covalent bonding between molecules
7) What element must a compound contain to be considered organic?
A
H
B
C
C
N
D
O
8) Carbon can form all of these bond types with itself except
A
covalent bonds
B
single bonds
C
quadruple bonds
D
triple bonds
9) Which functional group is this?
A
Hydroxyl
B
Phosphate
C
Carboxyl
D
Amine
10) Which functional group is this?
A
Amine
B
Phosphate
C
Carboxyl
D
Hydroxyl
*select an answer for all questions
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