Rusting of iron is a natural process in which:

  1. the total entropy of the universe increases
  2. entropy decreases
  3. energy is created
  4. no energy changes
Answer

A) the total entropy of the universe increases

All spontaneous processes increase total entropy. SLO P-11-C-20 · Understanding

Physics MCQ · More Heat Engines, Second Law and Entropy MCQs · Practise