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1286

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
1287

The number of hydroxonium ions produced by one molecule of an acid in aqueous solution is its

  • A. basicity
  • B. acid strength
  • C. pH
  • D. concentration
View Answer & Discuss (12) JAMB 2012
1288
During a titration experiment, 0.05 moles of carbon (lV) oxide is liberated. What is the volume of gas liberated?
  • A. 22.40 dm 3
  • B. 11.20 dm 3
  • C. 2.24 dm 3
  • D. 1.12 dm 3
View Answer & Discuss (11) JAMB 2012
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1289
A major factor considered in selecting a suitable method for preparing a simple salt is its
  • A. Crystalline from
  • B. melting point
  • C. reactivity with dilute acids
  • D. solubility in water
View Answer & Discuss (1) JAMB 2012
1290
The oxidation number of boron in NaBH 4 is
  • A. -3
  • B. -1
  • C. +1
  • D. +3
View Answer & Discuss (9) JAMB 2012
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