# SUMMATIVE TEST module 1- Gas laws ```SUMMATIVE TEST IN SCIENCE 1o
(Module 1 – Fourth Quarter)
C. Their speed increases and their collision rate increases.
D. Their speed decreases and their collision rate increases.
NAME: ________________________________________
14. Assuming the gas in a container remains at a constant
temperature, how could you increase the gas pressure in the
container a hundredfold?
A. Increase the amount of gas in the container by a factor of 100.
B. Decrease the volume of the container to 1/100 of its original size.
C. Either A or B, but not both at the same time.
D. Both A and B at the same time.
Direction: Write the letter of the correct answer.
1. Who discovered the relationship between pressure and
temperature of a gas?
A. Robert Boyle
C. Joseph Louis Gay-Lussac
B. Jacques Charles D. Amedeo Avogadro
For numbers 2-4, refer to the following choices:
A. Boyle’s law
C. Charles’ law
B. Gay- Lussac’s law
D. Combined gas law
15. Juan gathered data about gases to test Charles's law. He held
the pressure constant during his experiment. He plotted his data in
the graph shown below.
2. What law explains the mechanism of breathing?
3. What law explains the release of sky lantern and hot air balloon?
4. What law explains how the pressure cooker works?
5. Which example has particles that can be drawn closer to occupy
smaller volume?
A. fruit juice
C. air inside the syringe
B. block of wood
D. ice cube
6. Which of the following phenomena does NOT involve the
application of gas pressure?
A. burning fuels
C. vulcanizing tire
B. falling leaves
D. rising hot air balloons
7. If the amount and volume of the gas are kept constant, then what
will happen to the gas pressure as the temperature increases?
A. remains the same
C. increases
B. decreases
D. no effect
8. Heating or cooling a gas brings a change in volume. To what
Celsius temperature must 580 ml of oxygen at 17&deg;C be raised to
increase its volume to 700 ml?
A. 20.5&deg; C
C. 240&deg;C
B. 77&deg; C
D. 350&deg;C
9. Gab wants to have a portable oxygen tank. A 5 liter oxygen gas
exerts a pressure of 1 atm. How much pressure is needed for this
gas to be compressed in a 2 liter cylinder provided there is no
temperature change?
A. 1.5 atm
C. 2.5 atm
B. 2 atm
D. 3atm
10. Why does the pressure build up in a tire on a hot day? (Assume
that tire volume is constant)
A. As temperature increases, kinetic energy increases.
B. As temperature increases, kinetic energy decreases.
C. As temperature increases, pressure increases.
D. both a and c.
11. How does the temperature affect the average kinetic energy of
gas molecules?
A. as the temperature decreases the average kinetic energy of gas
molecules decreases
B. as the temperature decreases the average kinetic energy of gas
molecules increases
C. as the temperature decreases the average kinetic energy of gas
molecules remains the same
D. as the temperature decreases the average kinetic energy of gas
molecules fluctuates
12. A balloon with a volume of 200 mL at 30&deg;C is submerged in hot
water to obtain a temperature of 50&deg;C. Find out what will happen to
the volume of the balloon, provided the pressure remains the same.
A. the volume of the balloon will become higher than 200 mL
B. the volume of the balloon will become lower than 200 mL
C. the volume of the balloon will stay the same
D. there is no enough data
13. The temperature of an ideal gas is doubled from 200 K to 400 K
while the volume is kept constant. According to the kinetic molecular
theory, which of the following changes will occur to the gas
particles?
A. Their speed increases and the average distance between them
increases.
B. Their mass increases and their speed increases.
Which variable is on the y-axis and what can he conclude from this
graph?
A. The y-axis shows pressure; pressure increases as temperature
increases.
B. The y-axis shows pressure; pressure decreases as volume
increases.
C. The y-axis shows volume; volume increases as temperature
increases.
D. The y-axis shows volume; volume decreases as temperature
increases.
16. Last summer vacation, the Cruz family decided to go to
Pagudpod, Ilocos Norte to have a beach party. On their way to
Ilocos, all of them were surprised when the tire suddenly exploded.
What is the probable explanation for the blown out tire during a long
summer drive?
a. High temperature causes a decrease in volume.
b. The amount of the gases inside the tire is increased.
c. The mass of the gases inside the tire increases causing a blown
up tire.
d. The volume of gases increases as the temperature increases,
causing a blown up tire.
17. Which of the following statements correctly defines Boyle’s Law?
a. As the temperature increases, volume decreases at constant
pressure.
b. As the pressure increases, volume decrease at constant
temperature.
c. As the temperature increases, volume increases at constant
pressure.
d. As the pressure increases, volume increases at constant
temperature.
18. If the pressure is doubled and its temperature remains constant,
then what will happen to the volume of a confined gas?
a. Volume will increase.
b. Volume will decrease.
c. Volume will remain the same.
d. All of the above.
19. If the volume is directly proportional to Kelvin temperature at
constant pressure, then what will happen to temperature when the
volume changes from 75 to 50 ml?
a. increases
c. remains the same
b. decreases
d. fluctuates
20. What is most likely to happen when an aerosol can is heated?
a. it will be deformed
b. it will stay the same
c. it will eventually explode
d. it will tarnish
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