Test for Chlorine Flashcards

All 5 cards in this deck

What is the test for chlorine gas?

Put damp litmus paper into the gas.

What is the positive result of the test for chlorine gas?

The litmus paper is bleached (turns white).

True or false? Dry litmus paper can be used to test for chlorine.

False. The litmus paper must be damp for the chlorine to bleach it.

True or false? 'The litmus paper turns red' is the accepted result for the chlorine test.

False. The accepted result is that the paper is bleached / turns white.

An unknown gas bleaches damp litmus paper white. Which gas is it, and how do you know it is not carbon dioxide?

Chlorine. Carbon dioxide may turn damp litmus red but does not bleach it; it would turn limewater milky.