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Properties of Water & Polymerization

Total questions: 62

Worksheet time: 41mins

Name
Class
Date
1.
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
2.
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
a)
less polar
b)
more polar
c)
less dense
d)
more dense
3.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
4.
Which statement explains why water molecules stick together?
a)
both sides are negative
b)
one side has a positive charge and the other side has a negative charge
c)
one side has a negative charge adn the other side has a neutral charge
d)
both sides are positive
5.

Surface tension is the property of water in which...

a)

water molecules at the surface tend to stick together.

b)

water spills easily.

c)

water tends to be see-through.

6.

Refer to the picture of water sticking to a leaf; this is occurring because of:

a)

Adhesion

b)

Cohesion

7.

Describe COHESION.

a)

Water molecules attracted to other substances.

b)

Water molecules climbing upwards against the force of gravity.

c)

Water molecules dissolving many substances because of its polarity.

d)

Water molecules attracted to other water molecules.

8.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
9.
molecule in which opposite ends have opposite electric charges
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
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 droplets take a spherical shape (as pictured) because of ____________
a)
adhesion
b)
cohesion
c)
capillary action
d)
solubility
12.
Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?
a)
adhesion
b)
surface tension
c)
solvent properties
d)
nonpolar
13.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
14.
In a polar covalent bond, electrons are shared ___________.
a)
equally
b)
unequally
c)
between non-metals with similar electronegativities
d)
between a metal and a non-metal
15.
Electronegativity is a measurement of the ability of a nucleus to...
a)
attract bonding electrons
b)
attract other nuclei
c)
attract elenece in the non-valence energy levels
16.

Is this molecule polar or non-polar?

a)

Polar

b)

Non-polar

17.

In a water molecule _____________ has the negative charge.

a)

Hydrogen

b)

Oxygen

c)

Nitrogen

d)

Helium

18.

Some insects and small organisms can walk on water due to

a)

Adhesion

b)

Capillary Action

c)

Surface Tension

d)

Specific heat

19.

The tendency of water molecules to attract to one another is known as

a)

Adhesion

b)

Cohesion

c)

Specific heat

d)

Capillary Action

20.

The _____________ is the part of the solution that is dissolved.

a)

Smaller molecule

b)

Larger molecule

c)

Solute

d)

Solvent

21.

The ______________ is the part of the solution that dissolves the other substance.

a)

Large molecule

b)

small molecule

c)

Solvent

d)

Solute

22.

The ________________ is the amount of heat it takes to raise the temperature of one gram of a substance by one degree Celsius.

a)

Heat of vaporization

b)

Specific Heat

c)

Capillary Action

d)

Surface tension

23.

Ice floats on water because it ___________ when it freezes, and becomes __________ dense than water.

a)

Contracts; more

b)

Contracts; less

c)

Expands; more

d)

Expands; less

24.

Water is able to dissolve _________ substances due to its ____________

a)

Polar; Polarity

b)

Non-polar; Polarity

c)

Polar; Non-polarity

d)

Non-polar; Non-polarity

25.

Due to its polarity, water doesn't mix with ____________ substances like _____________.

a)

polar; oil

b)

polar; salts

c)

Non-polar; oil

d)

Non-polar; salts

26.

When a lake freezes over in the winter,

a)

the ice only forms on the top layer and acts as insulation for the rest of the lake.

b)

the ice freezes the entire lake into one giant ice cube.

c)

the ice freezes on the top layer, but then sinks to the bottom because ice is more dense than water.

d)

the ice only forms on the bottom layer, and melts quickly.

27.

Large bodies of water tend to resist large temperature changes due to water's __________________ which allow it to

a)

heat of vaporization; store cold air

b)

heat of vaporization; keep the water from evaporating

c)

high specific heat; reflect heat

d)

high specific heat; absorb and store heat.

28.

When water moves up a piece of paper, or up a tree against gravity, it is displaying the property of water known as

a)

Adhesion

b)

Capillary action

c)

Cohesion

d)

Density

29.

A single unit that can bond to other single units to form a polymer is a:

a)

Lego

b)

Monounits

c)

Monopoly

d)

Monomer

30.

Many monomers bonded together form a:

a)

Multimer

b)

Polygon

c)

Polymer

d)

Manymer

31.

Monomers bond to other monomers through this process:

a)

Hydrolysis

b)

Dehydration synthesis

c)

Gluation

d)

Freezing

32.

Which of the following is true in a dehydration synthesis reaction?

a)

hydroxyl forms as a product as H is removed from one monomer and O is removed from the other

b)

water is added to the reactants as H is added to 1 monomer and OH is added tothe other

c)

water forms as a product as H is removed from 1 monomer and OH is removed from the other

d)

carboxyl forms as a product as CO is removed from one monomer and OH is removed from the other

33.

This image illustrates a _________________ reaction.

a)

hydrolysis

b)

dehydration synthesis

c)

ionic bond

d)

reverse

34.

This image represents a _______ reaction.

a)

over

b)

condensation

c)

dehydration synthesis

d)

hydrolysis

35.

A polymer is broken down into its monomer through:

a)

condensation

b)

dehydraton synthesis

c)

hydrolysis

d)

nonreaction

36.

ANALOGY: If a house were a polymer, the monomers would be:

a)

The people living there

b)

The neighborhood in which it is located

c)

The bricks used to build it

d)

The team responsible for building it

37.

Which of the following is true in regard to these ANALOGIES?

a)

The links of a chain are like polymers

b)

A full strand of pearls represents a monomer

c)

The cars of a train represent monomers

d)

A Lego of a Lego castle represents a polymer

38.

Which of the following represents the monomer of this image?

a)
b)
c)
39.

A chain of repeating units (called monomers)

a)

monomer

b)

dimer

c)

replicate

d)

polymer

40.

Define polymer

a)

circular molecule made with many repeating units

b)

short molecule made of a few repeating units

c)

long, chain-like molecule made of repeating units

d)

chain-like molecule that contains hydrogen and oxygen

41.
The process of removing water in order to form a bond between monomers is called....
a)
Dehydration Synthesis
b)
Hydrolysis
42.
The process of adding water in order to break bonds within a polymer....
a)
Dehydration Synthesis
b)
Hydrolysis
43.
The process of digesting a polysaccharide into individual monosaccharides is called....
a)
Dehydration Synthesis
b)
Hydrolysis
44.
The process of breaking the bonds within a starch molecule in order to release glucose molecules is called......
a)
Dehydration Synthesis
b)
Hydrolysis
45.
The process of  bonding together nucleotides into a long chain is called....
a)
Dehydration Synthesis
b)
Hydrolysis
46.
The process of making a polymer by bonding together monomers is called
a)
Dehydration Synthesis
b)
Hydrolysis
47.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
48.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
49.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
50.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
51.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
52.
In the following chemical reaction, what are the products:
Starch + Water -------> Glucose
a)
Starch + Water
b)
Glucose
53.
Is the following chemical reaction illustrating dehydration synthesis or hydrolysis?
Starch + Water -------> Glucose
a)
Dehydration Synthesis
b)
Hydrolysis
54.
The image is an example of a
a)
Lipid
b)
Polysaccaride
c)
Protein
d)
Lipid (polypeptide)
55.
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
56.
What is the function of RNA and DNA?
a)
Storing energy
b)
Storing sugars
c)
Storing genetic material
d)
Storing cells
57.
Which biomolecule helps form muscles?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipids
58.
Many monomers can be cross-linked together to form ______________. 
a)
molecules
b)
plastic material
c)
polymers
d)
balloons and silly putty
59.

What is a biomolecule?

a)

The dissolved particle in a solution

b)

One of the by-products of respiration

c)

Large molecule that is present in living organisms

d)

None of the above

60.

Which of the following are biomolecules?

a)

RNA, DNA, proteins, lipids

b)

Proteins, lipids, carbohydrates, polymers

c)

Nucleic acid, lipids, carbohydrates, monomers

d)

Proteins, lipids, carbohydrates, nucleic acids

61.

What is the monomer for carbohydrates?

a)

Amino acid

b)

Nucleotide

c)

Fatty acid

d)

Monosaccharide

62.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these

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