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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
521

The acid used in electrolysis of water is dilute?

  • A. HNO3
  • B. CH3COOH
  • C. H2SO4
  • D. HCl
View Answer & Discuss (1) JAMB 2009
522
What volume of 1.5M solution of KOH would contain 0.045 moles
  • A. 67.50 cm3
  • B. 30.00 cm3
  • C. 6.75 cm3
  • D. 3.00 cm3
View Answer & Discuss (11) JAMB 2009
523

The salt formed from a reaction between citric acid and sodium hydroxide in solution will be?

  • A. acidic
  • B. basic
  • C. complex
  • D. neutral
View Answer & Discuss (9) JAMB 2009
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524

The colour changes observed when testing for reducing agents using acidified potassium heptaoxodichromate (VI) solution is?

  • A. yellow to purple
  • B. orange to green
  • C. green to orange
  • D. purple to yellow
View Answer & Discuss (2) JAMB 2009
525

The oxidation state of Cr in K\(_2\)Cr\(_2\)O\(_7\) is?

  • A. +7
  • B. +6
  • C. +5
  • D. 4
View Answer & Discuss (1) JAMB 2009
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