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Thursday, 06 August 2026
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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 326:
Convert 127°C to kelvin.
  • A 300 K
  • B 500 K
  • C 373 K
  • D 400 K
View Answer & Explanation
Question 327:
Which condition remains constant in pressure-volume calculations?
  • A Density
  • B Temperature
  • C Pressure
  • D Volume
View Answer & Explanation
Question 328:
If the pressure of a gas is halved at constant temperature, the volume will:
  • A Double
  • B Remain unchanged
  • C Halve
  • D Become zero
View Answer & Explanation
Question 329:
Boyle’s law is valid only when temperature remains:
  • A Decreasing
  • B Constant
  • C Variable
  • D Increasing
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Question 330:
A gas occupies 5 dm³ at 300 K. Find its volume at 600 K if pressure remains constant.
  • A 15 dm³
  • B 5 dm³
  • C 10 dm³
  • D 20 dm³
View Answer & Explanation