Test for Gases

Question 1

test for ammonia

Answer 1

damp red litmus paper turns blue

Question 2

test for carbon dioxide

Answer 2

limewater turns milky

Question 3

test for chlorine

Answer 3

bleaches damp litmus paper

Question 4

test for hydrogen

Answer 4

lighted splint extinguishes with a pop sound

Question 5

test for oxygen

Answer 5

glowing splint relights

Question 6

test for sulfur dioxide

Answer 6

acidified aq potassium manganate (vii) from purple to colorless