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Chemistry JAMB Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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1281
Chlorination of water for town supply is carried out to
  • A. make the water colourless
  • B. remove germs from the water
  • C. make the water tastedful
  • D. remove odour from the water
View Answer & Discuss (1) JAMB 2012
1282
The solubilites of different solutes in a given solvent can be compared by
  • A. plotting their solubility curves on separete axes
  • B. plotting their solubility curves on the same axes
  • C. plotting some of the solubility curves on the x-axis and others on the y-axis
  • D. plotting their solubility curves on the x-axis only
View Answer & Discuss (1) JAMB 2012
1283

Potassium trioxochlorate (V)has a solubility of 1.5 mol dm -3 at 45 oC.On cooling this solution to a temperature of 20 oC, the solubility was found to be 0.5 mol dm -3. What mass of KCIO 3 was crystalized out?
[K = 39, Cl = 35.5 O =16]

  • A. 1.00g
  • B. 10.00g
  • C. 12.25g
  • D. 122.50g
View Answer & Discuss (19) JAMB 2012
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1284

Which of the following pollutants is associated with brain damage?

  • A. Carbon (ll) oxide
  • B. Radioactive fallout
  • C. Biodegradable waste
  • D. Sulphus (lV) oxide
View Answer & Discuss (22) JAMB 2012
1285

Which of the following will produce a solution with pH less than 7 at equivalent point?

  • A. HNO 3 +NaOH
  • B. H 2SO 4 + KOH
  • C. HCL +Mg (OH) 2
  • D. HNO 3 + KOH
View Answer & Discuss (7) JAMB 2012
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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