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Chemistry Past Questions

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3281

The conductivity of an acid solution depends on the

  • A. amount of ions present and their mobilities
  • B. mobilities of the ions present
  • C. amount of ions present
  • D. temperature of the solution
View Answer & Discuss (2) JAMB 2018
3282

Which of the following metals cannot replace hydrogen from water or steam?

  • A. Sodium
  • B. Magnesium
  • C. Iron
  • D. Copper
View Answer & Discuss (9) JAMB 2018
3283

Elements P, Q, R, S have 6, 11, 15, 17 electrons respectively, therefore,

  • A. P will form an electrovalent bond with R
  • B. Q will form a covalent bond with S
  • C. R will form an electrovalent bond with S
  • D. Q will form an electrovalent bond with S
View Answer & Discuss (1) JAMB 2018
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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3284

During the electrolysis of copper II sulphate between platinum electrodes, if litmus solution is added to the anode compartment

  • A. the litmus turns blue but no gas is evolved
  • B. the litmus turns blue and oxygen is evolved
  • C. the litmus turns blue and hydrogen is evolved
  • D. the litmus turns red and oxygen is evolved
View Answer & Discuss (2) JAMB 2018
3285

The derivative of benzene that can be used in making explosives is

  • A. aniline
  • B. xylene
  • C. phenol
  • D. toluene
View Answer & Discuss (7) JAMB 2018
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208