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Chemistry JAMB Past Questions

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966
The soil around a battery manufacturing factory is likely to contain a high concentration of?
  • A. Ca2+ salts
  • B. Pb2+ salts
  • C. Mg2+ salts
  • D. Al3+ salts
View Answer & Discuss (2) JAMB 1998
967

Excess phosphorus was burnt in a gas jar and the residual gas passed successively over concentrated KOH solution and concentration H2SO4 before being collected in a flask. The gases collected are?

  • A. carbon (IV) oxide, nitrogen and the rare gases
  • B. nitrogen and the rare gases
  • C. carbon (IV) oxide, nitrogen (IV) oxide and the rare gases
  • D. carbon (IV) oxide
View Answer & Discuss (6) JAMB 1998
968
If an element X of an atomic number Z and mass number Y is irradiated by an intense concentration of neutrons, the relevant nuclear equation is?
  • A. yzX + 10n → y - 1z + 1X
  • B. yzX + 10n → y + 1zX
  • C. yzX + 10n → yz + 1X
  • D. yzX + 10n → y + 1z - 1X
View Answer & Discuss (6) JAMB 1998
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969
90.0g of MgCI2 was placed in 50.0cm3 of water to give a saturated solubility of the salt is 8.0 mol dm3 at the same temperature, what is the mass of the salt left undissolved at the given temperature?

(Mg = 24, Cl = 35.5)
  • A. 52.0g
  • B. 58.5g
  • C. 85.5g
  • D. 88.5g
View Answer & Discuss (12) JAMB 1998
970

Soap lather is an example of a colloid in which a?

  • A. liquid is dispersed in gas
  • B. solid is dispersed in liquid
  • C. gas is dispersed in liquid
  • D. liquid is despersed in liquid
View Answer & Discuss (13) JAMB 1998
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts