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2131

A chemical widely used as a fertilizer is?

  • A. galena
  • B. bauxite
  • C. emerald
  • D. nitrochalk
View Answer & Discuss (6) JAMB 2022
2132

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
2133

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
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2134

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
2135

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
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