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Chemistry 2009 JAMB Past Questions

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16
The major source of oxides of nitrogen is from the burning of
  • A. coal
  • B. wood
  • C. fuel
  • D. chlrofluorocarbons
View Answer & Discuss (12) JAMB 2009
17

The acid used in electrolysis of water is dilute?

  • A. HNO3
  • B. CH3COOH
  • C. H2SO4
  • D. HCl
View Answer & Discuss JAMB 2009
18
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 (8) JAMB 2009
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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19

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 (8) JAMB 2009
20

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 JAMB 2009
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts