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Chemistry 2022 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
11

On the basis of the electrochemical series, which of these ions will show the greater tendency to be discharged at the cathode in an electrolytic cell

  • A. cu\(^{2+}\)
  • B. sn\(^{2+}\)
  • C. fe\(^{2+}\)
  • D. zn\(^{2+}\)
View Answer & Discuss (13) JAMB 2022
12

Addition of charcoal to the filter bed of sand during water treatment for township supply is to?

  • A. prevent goiter
  • B. prevent tooth decay
  • C. remove odour
  • D. kill germs
View Answer & Discuss (5) JAMB 2022
13

Using the metal activity series, the metal that can liberate hydrogen gas from steam is?

  • A. iron
  • B. copper
  • C. tin
  • D. lead
View Answer & Discuss (9) JAMB 2022
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14

An organic compound with fishy smell is likely to have a general formula?

  • A. RCONHR\(^1\)
  • A. RCONH\(_2\)
  • C. RNH\(_2\)
  • D. RCOR\(^1\)
View Answer & Discuss (4) JAMB 2022
15

N\(_2\)O\(_4\) ⇔ 2NO\(_2\)          (Δ = -ve)

From the reaction above, which of these conditions would produce the highest equilibrium yield for N\(_2\)O\(_4\)?

  • A. Low temperature and high pressure
  • B. Low temperature and low pressure
  • C. high temperature and low pressure
  • D. high temperature and high pressure
View Answer & Discuss (52) JAMB 2022
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