Question 1
Peroxyacetyl nitrate, called PAN for short, is a powerful lachrymator. A
lachrymator is
◦ a greenhouse gas.
◦ a product of incomplete combustion.
◦ an agent that induces drowsiness.
◦ a cancer causing agent.
◦ a tear producer.
Question 2
Select all of the following that are capable of destroying stratospheric ozone through chemical meAns:
I. CF
2Cl
2II. NO
III. CO
2◦ I, II, and III
◦ I and III
◦ II and III
◦ I and II
◦ I only