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4416

An example of a substance that does not change directly from solid to gas when heated is

  • A. NH\(_4\)Cl\((_s\))
  • B. I\(_2\)\((_s\))
  • C. CaCO\(_3\) \((_s\))
  • D. S\(_8\) \((_s\))
View Answer & Discuss (2) JAMB 2024
4417

When a specie undergoes oxidation, its

  • A. oxidation number increases
  • B. oxidation number decreases
  • C. oxidation number remains constant
  • D. acts as oxidizing agent
View Answer & Discuss (3) JAMB 2024
4418

Hydrochloric acid is regarded as a strong acid because it

  • A. ionizes partially
  • B. ionizes completely
  • C. is a mineral acid
  • D. reacts with a base
View Answer & Discuss (2) JAMB 2024
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4419

The IUPAC nomenclature of the complex K\(_4\)Fe(CN)\(_6\) is

  • A. potassium hexacyanoferrate(II)
  • B. potassium hexacyanoferrate(III)
  • C. potassium hexacyanoferrate(IV)
  • D. potassium hexacyanoferrate(VI)
View Answer & Discuss (8) JAMB 2024
4420

An example of an amphoteric oxide is

  • A. P\(_4\)O\(_{10}\)
  • B. Al\(_2\)O\(_3\)
  • C. CuO
  • D. K\(_2\)O
View Answer & Discuss (4) JAMB 2024
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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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