1. At high temperature isotherm moves away from both the axis because of increase in, A) pressure B) volume C) no. of moles D) all 2. Values of Charle’s law constant K depends upon. A) mass of gas B) pressure gas C) no. of moles of gas D) all 3. Equal volumes of H2 and He are inserted in the same vessel. The pressure exerted by H2 and He are in the ratio: A) 1:1 B) 2:1 C) 1:2 D) all 4. Which of the following have same no. of molecules at STP A) 1000 cm3 of N2H4 and O2 B) 200 cm3 of CO2 and N2O C) 50 cm3 each of CO and N2 D) all 5. If absolute temperature is doubled and the pressure is increased 4 times. The volume is A) half B) double C) four times D) remains the changed 6. If absolute temperature is doubled and the pressure is increased 4 times. The volume is A) kg m^3 B) kg dm^3 C) g/dm^3 D) g/cm^3 7. Units of gas constant R in SI system is: A) 0.0821 dm3 atm k–1 mol–1 B) 82.1 cm3 atm k–1 C) 8.31 Nm k–1 mol–1 D) 1.987 cal k–1 mol–1 8. Concept of distribution of velocities among the gas molecules was developed by A) Claudius B) Maxwell C) Boltzman D) Vanderwaal 9. Absolute temperature of gas is proportional to A) translational kinetic energy B) rotational kinetic energy C) vibrational kinetic energy D) potential energy 10. Deviation a gas from ideal behaviour is maximum at A) low temperature, low pressure B) low temperature, high pressure C) high temperature, low pressure D) high temperature high pressure
2. Values of Charle’s law constant K depends upon.
3. Equal volumes of H2 and He are inserted in the same vessel. The pressure exerted by H2 and He are in the ratio:
4. Which of the following have same no. of molecules at STP
5. If absolute temperature is doubled and the pressure is increased 4 times. The volume is
6. If absolute temperature is doubled and the pressure is increased 4 times. The volume is
7. Units of gas constant R in SI system is:
8. Concept of distribution of velocities among the gas molecules was developed by
9. Absolute temperature of gas is proportional to
10. Deviation a gas from ideal behaviour is maximum at
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