Matter in Our Surroundings — quick quiz

5 real SOF NSO questions on Matter in Our Surroundings. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

EASY

A student observes that naphthalene balls kept in a cupboard become smaller over time and eventually disappear without leaving any liquid residue. Which of the following processes best explains this observation?