Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 46

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Weekly Quiz Competition

Question 1
4 / -1

The molecular weights of O₂ and N₂ are 32 and 28 respectively. At 15°C, the pressure of 1 g O₂ will be the same as that of 1 g N₂ in the same bottle at the temperature

A
–21°C

B
13°C

C
15°C

D
56.4°C

Solution
Question 2
4 / -1

At 100 K and 0.1 atmospheric pressure, the volume of helium gas is 10 litres. If volume and pressure are doubled, its temperature will change to

A
400 K

B
127 K

C
200 K

D
25 K

Solution
Question 3
4 / -1

Under which of the following conditions is the law PV = RT obeyed most closely be a real gas

A
High pressure and high temperature

B
Low pressure and low temperature

C
Low pressure and high temperature

D
High pressure and low temperature
Question 4
4 / -1

A
Isothermal change

B
Adiabatic change

C
Isobaric change

D
Any type of change
Question 5
4 / -1

125 ml of gas A at 0.60 atmosphere and 150 ml of gas B at 0.80 atmospheric pressure at same temperature is filled in a vessel of 1 litre volume. What will be the total pressure of mixture at the same temperature

A
0.140 atmosphere

B
0.120 atmosphere

C
0.195 atmosphere

D
0.212 atmosphere

Solution
Question 6
4 / -1

A gas is collected over the water at 25°C. The total pressure of moist gas was 735 mm of mercury. If the aqueous vaopur pressure at 25°C is 23.8 mm. Then the pressure at 25°C is 23.8 mm. Then the pressure of dry gas is

A
760 mm

B
758.8 mm

C
710.8 mm

D
711.2 mm

Solution
Question 7
4 / -1

For one gram mol of a gas, the value of R in the equation PV = RT is nearly

A
2 cal/K

B
10 cal/K

C
0.2 cal/K

D
200 cal/K

Solution
Question 8
4 / -1

Air is filled in a bottle at atmospheric pressure and it is corked at 35°C. If the cork can come out at 3 atmospheric pressure than upto what temperature should the bottle be heated in order to remove the cork

A
325.5°C

B
851°C

C
651°C

D
None of these

Solution
Question 9
4 / -1

The pressure is P, volume V and temperature T of a gas in the jar A and the other gas in the jar B is at pressure 2P, volume 17/4 and temperature 2T, then the ratio of the number of molecules in the jar A and B will be

A
1 : 1

B
1 : 2

C
2 : 1

D
4 : 1

Solution
Question 10
4 / -1

2 g of O₂ gas is taken at 27°C and pressure 76 cm. Hg,Find out volume of gas (in litre)

A
1.53

B
2.44

C
3.08

D
44.2

Solution