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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 346:
A gas occupies 21 cm³ at pressure 7 atm. Find the volume at 3.5 atm.
  • A 28 cm³
  • B 35 cm³
  • C 49 cm³
  • D 42 cm³
View Answer & Explanation
Question 347:
Convert 87°C to kelvin.
  • A 360 K
  • B 187 K
  • C 273 K
  • D 460 K
View Answer & Explanation
Question 348:
The kelvin equivalent of 77°C is:
  • A 177 K
  • B 350 K
  • C 273 K
  • D 300 K
View Answer & Explanation
Question 349:
Which gas law explains why balloons expand in sunlight?
  • A Graham’s law
  • B Dalton’s law
  • C Boyle’s law
  • D Charles’ law
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Question 350:
A gas occupies 8 cm³ at pressure 2 atm. Find the new volume at 4 atm.
  • A 4 cm³
  • B 12 cm³
  • C 8 cm³
  • D 16 cm³
View Answer & Explanation