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Chemistry 2014 JAMB Past Questions

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16
The basicity of CH3COOH is
  • A. 4
  • B. 1
  • C. 2
  • D. 3
View Answer & Discuss (3) JAMB 2014
17

The colour of litmus in a neutral medium is

  • A. purple
  • B. pink
  • C. yellow
  • D. orange
View Answer & Discuss (5) JAMB 2014
18
The mathematical expression of PH is
  • A. log 10[OH-]
  • B. log 101/[H 3 O+]
  • C. log 10[H 3 O+]
  • D. log 101/[OH -]
View Answer & Discuss (14) JAMB 2014
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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19

Which of the following salts will turn blue litmus red?

  • A. Sodium tetrahydroxozincate (ll)
  • B. Sodium hydrogentetraoxosulphate (VI)
  • C. Sodium trioxocarbonate (lV)
  • D. Zinc chloride hydroxide
View Answer & Discuss (3) JAMB 2014
20
Zn (s) + CuSO 4(aq) → ZnSO 4(aq) + Cu (s)
In the reaction above, the oxidation number of the reducing agent changes from
  • A. 0 to + 4
  • B. 0 to + 2
  • C. + 1 to + 2
  • D. + 1 to + 3
View Answer & Discuss (3) JAMB 2014
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