Gas Tests

Question 1

Test for Hydrogen

Answer 1

A light splint makes a squeaky pop

Question 2

Test for Oxygen

Answer 2

A glowing splint relights itself

Question 3

Test for Carbon Dioxide

Answer 3

Bubble through limewater, if carbon is present it will go cloudy

Question 4

Test for Ammonia

Answer 4

• Sharp choking smell

- Turns damp RED litmus paper BLUE

Question 5

Test Chlorine

Answer 5

• Sharp choking smell

- Turns damp BLUE litmus paper RED

Question 6

Test Sulfur Dioxide

Answer 6

• Turns damp BLUE litmus paper RED

- Turns acidified potassium dichromate solution from orange to green