Chemistry 9 Chapter 5 - Physical States of Matter -3

Chemistry 9 Chapter 5 - Physical States of Matter -3

1. On increasing pressure on a gas, its volume?

a) Increases
b) Will not change
c) Decreases

2. With increasing temperature, the average kinetic energy of a gas molecule?

a) Will not change
b) Decreases
c) Increases

3. Which one of the following variables characterize a sample of a gas?

a) All of these
b) Volume
c) Temperature
d) Pressure

4. relationship that expresses the influence of one variable on another with the two variable constant are called?

a) Law of mass action
b) Gas laws
c) Variable laws
d) Avogadro number

5. Which one of the following equation is correct?

a) V/P = constant
b) P/V= constant
c) 1/PV=constant
d) V P= constant

6. The volume of a fixed amount of a gas at a given temperature is inversely proportional to the applied pressure. This is?

a) Mendel's law
b) Ohm's law
c) Boyle's law
d) Charles law

7. Boyle's law explains the relationship between?

a) None of these
b) Pressure and Temperature
c) Pressure and Volume
d) Volume and Temperature

8. Who argued that suction pumps were able to draw water from a well because of the force ofvacuumed inside the pump?

a) Charles
b) Galileo
c) Torricelli
d) Boyle

9. E. Torricelli was a mathematician and physicist of?

a) Italy
b) UK
c) Canada
d) USA

10. Air in the atmosphere has weight. It was suggested by?

a) Boyle
b) Torricelli
c) Mendel
d) Charles

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