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Chemistry Past Questions

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281

The property of chlorine which causes hydrogen chloride to be more ionic than the chlorine molecules is its

  • A. electrovalency
  • B. electron affinity
  • C. electropositivity
  • D. electronegativity
View Answer & Discuss (4) JAMB 2004
282

Chlorine consisting of two isotopes of mass number 35 and 37 in the ratio 3:1 has an atomic mass of 35.5. Calculate the relative abundance of the isotopes of mass number 37

  • A. 20
  • B. 25
  • C. 60
  • D. 75
View Answer & Discuss (28) JAMB 2004
283

Which of the following mixture of gases is likely to burn in flame?

  • A. neon and hydrogen
  • B. nitrogen and helium
  • C. helium and neon
  • D. neon and nitrogen
View Answer & Discuss (9) JAMB 2004
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284

Hardness of water is caused by the presence of ions of

  • A. magnesium and silver
  • B. calcium and magnesium
  • C. sodium and potassium
  • D. calcium and sodium
View Answer & Discuss (3) JAMB 2004
285

Pollution of underground water by metal ions is very likely in the soil that has high

  • A. acidity
  • B. alkalinity
  • C. chloride content
  • D. nitrate content
View Answer & Discuss (26) JAMB 2004
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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