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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 381:
A gas occupies 72 cm³ at pressure 6 atm. Calculate the new volume at 18 atm.
  • A 60 cm³
  • B 24 cm³
  • C 48 cm³
  • D 36 cm³
View Answer & Explanation
Question 382:
The kelvin temperature corresponding to 27°C is:
  • A 300 K
  • B 127 K
  • C 246 K
  • D 273 K
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Question 383:
The kelvin equivalent of 100°C is:
  • A 473 K
  • B 273 K
  • C 173 K
  • D 373 K
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Question 384:
A gas occupies 20 cm³ at pressure 5 atm. Find the volume at 10 atm.
  • A 20 cm³
  • B 10 cm³
  • C 40 cm³
  • D 30 cm³
View Answer & Explanation
Question 385:
Which statement best explains the pressure-volume relationship?
  • A Pressure stays constant always
  • B Pressure rises as volume falls
  • C Volume never changes
  • D Pressure rises as volume rises
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