WAEC Chemistry 2012 Objective — Question 28
Question 28 of 50 from the West African Examinations Council (WAEC) Chemistry 2012 Objective paper, with the correct answer and a full explanation.
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An increase in entropy can best be illustrated by
- A. mixing of gasesCorrect
- B. freezing of water
- C. condensation of vapour
- D. solidifying candle wax
Explanation
Entropy is the degree of disorderliness or randomness of a system. When gases are mixed, there is great disorder, so entropy increases substantially.
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