Tests For Gases

Question 1

Test for chlorine

Answer 1

• put damp blue litmus paper in sample
• if chlorine is present paper will go from blue to white

Question 2

Test for oxygen

Answer 2

• glowing splint will relight if sample has oxygen

Question 3

Test for hydrogen

Answer 3

Burning split make a squeaky pop sound in presence of hydrogen

Question 4

Test for carbon dioxide

Answer 4

Mix the sample with limewater, if there is carbon dioxide solution will become cloudy white