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Chemistry 2000 JAMB Past Questions

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NECO offline past questions - All questions, answers & explanations in one app 25712
16
A side effect of soft water is that
  • A. it gives offensive taste
  • B. excess calcium is precipitated
  • C. it attcaks lead contained in pipes
  • D. it encourages the growth of bacteria
View Answer & Discuss (15) JAMB 2000
17
Water molecule can be ligands especially when they are bonded to
  • A. alkaline earth metals
  • B. alkali metals
  • C. transition metals
  • D. group VII elements
View Answer & Discuss (10) JAMB 2000
18

The air pollutant unknown in nature is

  • A. NO
  • B. CO
  • C. HCHO
  • D. DDT
View Answer & Discuss (27) JAMB 2000
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO offline past questions - All questions, answers & explanations in one app 25712
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19

1.0 dm3 of distilled water was used to wash 2.0g of a precipitate of AgCl. If the solubility product of AgCl is 2.0 * 10-10moldm-6, what quantity of silver was lost in the process?

  • A. 2.029 * 10-3mol dm-3
  • B. 1.414 * 10-3mol dm-3
  • C. 2.029 * 10-5mol dm-3
  • D. 1.414 * 10-5mol dm-3
View Answer & Discuss (11) JAMB 2000
20
Hydration of ions in solution is associated with
  • A. absorption of heat
  • B. reduction of heat
  • C. conduction of heat
  • D. liberation of heat
View Answer & Discuss (7) JAMB 2000
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts