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Chemistry JAMB Past Questions

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1951

The situation obtained when a perfect gas expands into a vacuum is

  • A. ΔH is positive and TΔ S is zero
  • B. ΔH is positive and T Δ S is negative
  • C. ΔH is negative and TΔ S is zero
  • D. ΔH is zero and T Δ S is positive
View Answer & Discuss (1) JAMB 2018
1952

The general formula of alkanones is

  • A. RCHO
  • B. R\(_2\)CO
  • C. RCOOH
  • D. RCOOR
View Answer & Discuss (3) JAMB 2018
1953

The alkanoic acid found in human sweat is

  • A. CH\(_3\)-COOH
  • B. CH\(_3\)—CH\(_2\)—COOH
  • C. H-COOH
  • D. CH\(_3\)
View Answer & Discuss (2) JAMB 2018
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1954

The elements in the periodic table are listed in order of increasing

  • A. relative atomic number
  • B. atomic mass
  • C. relative isotopic mass
  • D. nuclear charge
View Answer & Discuss (4) JAMB 2018
1955

H\(_2\) S\(_{(g)}\) + Cl\(_{2(g)}\) → 2HCl\(_{(g)}\) + S\(_{(g)}\) In the reaction above, the substance that is reduced is

  • A. H\(_2\)S
  • B. S
  • C. HCl
  • D. Cl\(_2\)
View Answer & Discuss (3) JAMB 2018
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