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686
Which of the following is formed when maltose reacts with concentrated tetraoxosulphate (VI) acid ?
  • A. Carbon (IV) oxide
  • B. Coal tar
  • C. Charcoal
  • D. Toxic fumes
View Answer & Discuss (3) JAMB 1990
687

If a gas occupies a container of volume 146 cm3 at 18°C and 0.971 atm, its volume in cm3 at s.t.p is?

  • A. 133
  • B. 146
  • C. 266
  • D. 292
View Answer & Discuss (16) JAMB 1990
688
The volume occupies by 1.58g of a gas at s.t.p is 500cm3. What is the relative molecular mass of the gas?

(G.M.V at s.t.p = 22.40dm3)
  • A. 28
  • B. 32
  • C. 44
  • D. 71
View Answer & Discuss (9) JAMB 1990
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689

Equal volumes of CO,SO2, NO2 and H2S were released into a room at the same point and time. Which of the following gives the order of diffusion of the gases to the opposite corner of the room?
(S = 32, C = 12, O = 16, N = 14, H = 1)

  • A. CO, SO2,NO2,H2S
  • B. SO2,NO2,H2S,CO
  • C. CO,H2S,SO2,NO2
  • D. CO,H2S,NO2,SO2
View Answer & Discuss (9) JAMB 1990
690
A basic postulate of the kinetic theory of gases is that the molecules of a gas move in straight lines between collisions. This implies that?
  • A. collisions are perfectly elastic
  • B. forces of repulsion exist
  • C. forces of repulsion are in equilibrium
  • D. collision are inelastic
View Answer & Discuss (9) JAMB 1990
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