Testing for Ions

Question 1

What is the test for hydrogen? (2)

Answer 1

Put LIT splint in test tube containing gas (1)
Squeaky pop if hydrogen is present (1)

Question 2

What is the text for oxygen? (2)

Answer 2

Insert GLOWING splint into tube containing gas (1)
Splint relights if oxygen is present (1)

Question 3

What is the carbon dioxide test (3)

Answer 3

Bubble gas through limewater (1)
Observe color change (1)
Limewater turns milky/cloudy (1)

Question 4

Ammonia test (2)

Answer 4

Lower DAMP red litmus paper into test solution (1)
DAMP red litmus paper turns blue if Ammonia is present (1)

Question 5

Chlorine test (2)

Answer 5

Lower damp litmus paper into test solution (1)
DAMP litmus paper is BLEACHED WHITE if chlorine is present (1)