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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 531:
Convert -248°C to kelvin.
  • A 100 K
  • B 25 K
  • C 75 K
  • D 50 K
View Answer & Explanation
Question 532:
Pressure increases when gas particles collide:
  • A Less frequently
  • B More frequently
  • C More slowly
  • D Less forcefully
View Answer & Explanation
Question 533:
A gas occupies 14 cm³ at pressure 7 atm. Find the new pressure at 2 cm³.
  • A 14 atm
  • B 21 atm
  • C 35 atm
  • D 49 atm
View Answer & Explanation
Question 534:
Gas laws become more accurate when temperature is measured in:
  • A Kelvin
  • B Fahrenheit
  • C Centigrade
  • D Celsius
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Question 535:
A gas occupies 48 dm³ at pressure 8 atm. Find the pressure at 24 dm³.
  • A 12 atm
  • B 8 atm
  • C 16 atm
  • D 4 atm
View Answer & Explanation