Practice Questions
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|
| 1. |
Which
statement is INCORRECT? |
| (A) |
All of the gases in the atmosphere mix completely unless
they react with each other. |
| (B) |
The atmosphere of our planet consists of a mixture of gases
and various particles in the liquid and solid state. |
| (C) |
The major gaseous components of our atmosphere are nitrogen,
oxygen, and argon. |
| (D) |
Carbon dioxide, another major component of our atmosphere,
has concentrations that are relatively the same everywhere within
our atmosphere. |
| (E) |
The amount of moisture in our atmosphere varies with location. |
|
|
Statement I |
| Statement
II |
| 2. |
Refining of petroleum requires the separation
of its components into different fractions. |
BECAUSE | The hydrocarbon
chains that make up petroleum have the same basic carbon chain (same
number of C’s in the parent). |
|
|
| 3. |
Alloys
are mixtures of metallic substances. Which of the following pairs
are matched INCORRECTLY? |
| (A) |
Brass – copper and zinc |
| (B) |
Steel – iron and copper |
| (C) |
Bronze – copper, zinc, and others |
| (D) |
Pewter – tin, copper, bismuth, and antimony |
| (E) |
Sterling silver – silver and copper |
|
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| 4. |
Which of
the following hydrocarbons would be expected to have the highest
boiling point? |
| (A) |
CH4 |
| (B) |
C3H8 |
| (C) |
C4H10 |
| (D) |
C5H12 |
| (E) |
C6H14 |
|
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| 5. |
When methane,
CH4, burns in excess oxygen, the products
would be |
| (A) |
CH4O2 |
| (B) |
CO + H2O |
| (C) |
CO + CH2OH |
| (D) |
CO2 + H2O |
| (E) |
CO2 + 2H2 |
|
|
|
| 6. |
A
student performed an experiment and a gas was produced. After the
gas was collected and tested with a burning splint, a loud popping
noise was heard. Which of the following gases was produced? |
| (A) |
Hydrogen |
| (B) |
Oxygen |
| (C) |
Carbon dioxide |
| (D) |
Chlorine |
| (E) |
Methane |
|
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| 7. |
Which of
the following gases is known to shield the earth from harmful ultraviolet
radiation? |
| (A) |
CO |
| (B) |
CO2 |
| (C) |
CFCs |
| (D) |
SO2 |
| (E) |
O3 |
|
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| 8. |
Which compound
is INCORRECTLY matched to the functional group that it contains? |
| (A) |
CH3COOH |
hydroxyl |
| (B) |
CH3OH |
hydroxyl |
| (C) |
CH3CH2NH2 |
amine |
| (D) |
CCl3COOH |
carboxylic acid |
| (E) |
C6H5COOH |
carboxylic acid |
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