Study of Gas Law Test

Result

Study of Gas Law Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following explains the phenomenon of rising of hot air balloon?

A
Charles's law

B
Boyle's law

C
Kinetic theory

D
Critical temperature
Question 2
1 / -0

Which of the following represents the ideal gas equation?

A

B

C

D
Question 3
1 / -0

Which of the following is true for absolute zero temperature?

A
It is the temperature at which entropy reaches its maximum value.

B
It cannot be attained practically.

C
Molecules are in random motion at this temperature.

D
Volume of gas is the maximum at this temperature.
Question 4
1 / -0

What will be the change in volume of a gas when it is heated from 0°C to 819°C under constant pressure?

A
Twice

B
Thrice

C
Four times

D
No change
Question 5
1 / -0

A gas is enclosed in a cylinder under STP conditions. Keeping pressure constant, if volume of gas is doubled, what will be the new temperature?

A
Half of its initial temperature

B
Four times its initial temperature

C
Double its initial temperature

D
Three times its initial temperature
Question 6
1 / -0

The volume of a given mass of a gas at 27°C is 100 cm³. To what temperature must the gas be heated so that the volume increases to 150 cm³?

A
450 K

B
40.5 K

C
405 K

D
415 K
Question 7
1 / -0

Which of the following depicts Charles's law?

A

B

C

D
Question 8
1 / -0

A litre of gas at 27°C is heated until both volume and pressure are tripled. What will be the new temperature?

A
2700°C

B
2427°C

C
2973°C

D
2900°C
Question 9
1 / -0

The pressure of a gas at STP is doubled and the temperature is changed to 546 K. What will be the change in final volume of the gas?

A
It will be halved.

B
It will be doubled.

C
It will become four times.

D
No change
Question 10
1 / -0

At what temperature will 500 cm³ of a gas at 20°C occupy half of its original volume?

A
126.5°C

B
146.5°C

C
- 126.5°C

D
173°C
Question 11
1 / -0

A gas occupies 600 cm³ at 900 mm Hg pressure. At what pressure will the gas occupy 450 cm³? (Assume that temperature remains constant.)

A
1200 cm Hg

B
120 cm Hg

C
120 mm Hg

D
12000 mm Hg
Question 12
1 / -0

What will be the volume of gas at absolute zero temperature under constant pressure?

A
1000 ml

B
0 ml

C
273 ml

D
100 ml
Question 13
1 / -0

What will be the decrease in volume when 60 cm³ gas at 27°C is cooled to 12°C? (Pressure remains constant.)

A
57 cm³

B
26.6 cm³

C
5 cm³

D
3 cm³
Question 14
1 / -0

A container with gas at 27°C expands to 8.5 atm under NTP conditions. When it is heated to 37°C, what will be the new pressure?

A
9 atm

B
8.75 atm

C
9.90 atm

D
Cannot be determined
Question 15
1 / -0

A gas of volume 150 cm³ is taken at 27.3 K. The temperature is then changed to 0°C. What is the new volume of the gas, if pressure is kept constant throughout?

A
0 cm³

B
136 cm³

C
150 cm³

D
1500 cm³