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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 391:
A gas occupies 15 dm³ at pressure 5 atm. Calculate the volume at 1 atm.
  • A 45 dm³
  • B 75 dm³
  • C 30 dm³
  • D 60 dm³
View Answer & Explanation
Question 392:
Convert 27°C to kelvin.
  • A 246 K
  • B 127 K
  • C 273 K
  • D 300 K
View Answer & Explanation
Question 393:
Convert 17°C to kelvin.
  • A 273 K
  • B 300 K
  • C 290 K
  • D 190 K
View Answer & Explanation
Question 394:
A gas occupies 45 dm³ at pressure 9 atm. Find the volume at 3 atm.
  • A 30 dm³
  • B 60 dm³
  • C 135 dm³
  • D 90 dm³
View Answer & Explanation
Question 395:
When the volume of a gas is reduced by half at constant temperature, the pressure:
  • A Halves
  • B Becomes zero
  • C Remains constant
  • D Doubles
View Answer & Explanation