Tests For Gases

Question 1

Chlorine test:

Answer 1

Damp blue litmus paper goes red then bleaches white

Question 2

Test for alkali

Answer 2

Universal indicator goes purple

Question 3

Test for acid

Answer 3

Universal indicator goes red/orange

Question 4

Test for hydrogen

Answer 4

Into a tube of gas, a lit splint makes a squeaky pop noise

Question 5

Test for carbon dioxide?

Answer 5

Bubble gas through lime water if c02 present, goes cloudy

Question 6

Test for oxygen

Answer 6

Put a glowing splint in a test tube of gas, if oxygen is present, it will relight