Before you walk head-on into a cloud of tear gas at your next protest, rally or sporting event, let's make sure you're well-acquainted with this riot-suppressing chemical. Ready? Take a deep breath and move on to the first question.
Question 1 of 10
Let's start simple. How does tear gas produce tears?
Question 2 of 10
Tear-producing chemicals are known by another name, which comes from the Greek word for tears. What's that other name?
Question 3 of 10
All three of these chemicals have earned the name "tear gas" from time to time. Which is the most commonly used one today?
Question 4 of 10
How long do CS gas exposure symptoms typically last?
Question 5 of 10
True or false: Tear gas is actually banned under the 1993 Chemical Weapons Convention.
Question 6 of 10
True or false: Some people are at least partially immune to tear gas.
Question 7 of 10
True or false: No one has ever died from tear gas.
Question 8 of 10
Which of the following is NOT a specially designed CS variant?
Question 9 of 10
If you're hit with tear gas, what should your first move be?
Question 10 of 10