Melting, Vapourization, Boiling, Freezing Jamb Chemistry Past Questions
Question 1
The boiling point of water, ethanol, toluene and butan-2-ol are 373.0k, 351.3k, 383.6k and 372.5k respectively. Which liquid has the highest vapour pressure at 323.0k?
- A. water
- B. toluene
- C. ethanol
- D. butan-2-ol
- E. none
Question 2
If the temperature of a gas is increased?
- A. the kinetic energy of the emolecules will decrease
- B. the pressure will decrease if the volume is constant
- C. the gas will occupy a greater volume if the pressure is constant
- D. the mass of the gas will decrease
- E. the pressure and volume will increase
