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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 366:
Which factor causes gas pressure?
  • A Crystal vibration
  • B Neutron attraction
  • C Particle collisions
  • D Electron transfer
View Answer & Explanation
Question 367:
A gas occupies 40 cm³ at pressure 2 atm. Find the volume at 8 atm.
  • A 40 cm³
  • B 10 cm³
  • C 30 cm³
  • D 20 cm³
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Question 368:
Absolute zero is approximately:
  • A 0°C
  • B -273°C
  • C 100°C
  • D 273°C
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Question 369:
A gas occupies 45 cm³ at pressure 3 atm. Calculate the new volume if the pressure becomes 9 atm.
  • A 15 cm³
  • B 45 cm³
  • C 30 cm³
  • D 60 cm³
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Question 370:
Convert -23°C to kelvin.
  • A 296 K
  • B 223 K
  • C 173 K
  • D 250 K
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