Condensation In Terms Of Molecular Motion And Brownian Movement Jamb Chemistry Past Questions
Question 1
Using the metal activity series, the metal that can liberate hydrogen gas from steam is?
- A. iron
- B. copper
- C. tin
- D. lead
Question 2
When a pressure cooker is half filled with water, and heated to boiling point, then the pressure inside the cooker will?
- A. decrease, since only a fraction of the water molecules has changed to vapour
- B. remain constant, because the total number of water molecules has not changed
- C. increase, because the water molecules can now reach every part of the sealed tube
- D. decrease, since water boils under reduced pressure
- E. increase, because the water vapour molecules now strike the walls of the tube more frequently because of their increased velocity
