Chemical Analysis- Gas Tests

Question 1

How do you test for chlorine?

Answer 1

Put a drop of tap water on blue litmus paper and hold it near the substance; if it goes red then white, there is chlorine.

Question 2

How do you test for carbon dioxide?

Answer 2

Bubble it through limewater and if it goes cloudy, there is CO2

Question 3

How do you etst for Oxygen?

Answer 3

Put a glowing splint in the test tube with the substance, if there is oxygen, it will relight.

Question 4

How do you test for hydrogen?

Answer 4

Put a lit splint in a test tube with the substance, if it makes a squeky pop, there is hydrogen.