tests

Question 1

ammonia gas

Answer 1

damp blue litmus paper turns red

Question 2

chlorine gas test

Answer 2

damp blue litmus paper turns white

Question 3

Halides

Answer 3

Dissolve in water
Add nitric acid
add silver nitrate
White precipitate - Cl-
Cream Precipitate - Br-
Yellow precipitate - I-

Question 4

Carbonates

Answer 4

Add HCL
Bubble through limewater
Cloudy

Question 5

Sulphates

Answer 5

Add HCL
Add Barium Sulphate
White precipitate

Question 6

Flame tests

Answer 6

Na - Yellow Flame
Li - Red
K - Lilac
Ca - Orange-red
Cu - Blue - Green