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Flashcards in Chemistry Tests Deck (25):
0

Test for sulfate ions

Add hydrochloric or nitric acid and barium chloride or barium nitrate
Should produce a white precipitate

1

Test for ammonium ions

Add sodium hydroxide
Moist red litmus paper should turn blue

2

Test for ammonia

Use moist red litmus paper
Should turn blue

3

Test for calcium

Flame test: brick red

4

Test for lithium

Flame test: red

5

Test for test for ion(ii) ions

Add sodium hydroxide
Produces a green precipitate

6

Test for copper(ii) ions

Add sodium hydroxide
Produces a blue precipitate

7

Test for sodium

Flame test: yellow/orange

8

Test for carbonate ions

Add an acid
Should start to fizz

9

Test for chloride ions

Add nitric or sulfuric acid and silver nitrate
Should produce a white precipitate

10

Test for chlorine gas

Moist litmus paper(both types) bleaches

11

Test for bromide ions

Add nitric or sulfuric acid and silver nitrate
Should produce a cream precipitate

12

Test for iodide ions

Add nitric or sulfuric acid and silver nitrate
Should produce a yellow precipitate

13

Test for water

Add anhydrous copper sulfate
Turns blue

14

Test for carbon dioxide

Pour gas into limewater
Should turn cloudy

15

Test for iron(iii) ions

Add sodium hydroxide
Should produce a yellow/brown precipitate

16

Test for c=c double bonds

Add bromine water
Should decolorise

17

Litmus in alkali

Blue colour

18

Methyl orange in alkali

Yellow colour

19

Phenolphthalein in alkali

Pink colour

20

Test for hydrogen

Hold lit splint to gas
Gives off a squeaky pop

21

Test for oxygen gas

Hold a glowing splint to gas
Splint should re-ignite

22

Litmus in acid

Red colour

23

Methyl orange in acid

red/orange colour

24

Phenolphthalein in acid

Colourless