Free account: track your progress — Sign up free

WAEC Chemistry 2023 Objective — Question 47

Question 47 of 50 from the West African Examinations Council (WAEC) Chemistry 2023 Objective paper, with the correct answer and a full explanation.

Advertisement

The following statements are correct except

  • A. energy is released when liquids change to solids
  • B. particles move faster in the gaseous state than in the liquid state
  • C. carbon atoms in gaseous methane are further apart than those in solid diamond
  • D. there is a large decrease in the volume of a solid metal when pressure is applied to itCorrect

Explanation

Solids are substantially incompressible, so a large decrease in volume is not expected when pressure is applied to a solid metal — option D is incorrect.

Advertisement

Sign up free to unlock

  • Score tracking
  • Practice history
  • Saved questions
  • Progress dashboard
  • Personalized sessions
  • Weak-topic breakdown

…and/or go further with premium services and No Ads.