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Monday, 15 June 2026
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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 176:
Which of these compounds is a normal salt?
  • A NAHS
  • B \(\mathrm{NAHSO}_{4}\)
  • C \(\mathrm{NAHCO}_{3}\)
  • D \(\mathrm{NA}_{2} \mathrm{CO}_{3}\)
View Answer & Explanation
Question 177:
The allotrope of carbon used in the decolourization of sugar is ____________
  • A Graphite
  • B Soot
  • C Charcoal
  • D Lampblack
View Answer & Explanation
Question 178:
Which of the following gases can be collected by the method of downward delivery?
  • A Chlorine
  • B Oxygen
  • C Ammonia
  • D Hydrogen
View Answer & Explanation
Question 179:
Sulphur (IV)oxide bleaches by ____________
  • A Reduction
  • B Oxidation
  • C Hydration
  • D Absorption
View Answer & Explanation
Question 180:
Aluminium hydroxide is used in the dyeing industry as a ____________
  • A Salt
  • B Dye
  • C Mordant
  • D Dispersant
View Answer & Explanation