Chemial Test Flashcards

1
Q

Test for hydrogen

A

‘Pops’ with lit splint

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2
Q

Test for oxygen

A

Relights glowing splint

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3
Q

Test for carbon dioxide

A

Turns limewater milky

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4
Q

Test for chlorine

A

Bleaches damp litmus paper

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5
Q

Test for carbonates

A

Add dilute acid

Effervescence
-carbon dioxide is produced

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6
Q

Test for halide

A

Acidify with dilute nitric acid and then add

Aqueous silver nitrate

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7
Q

Halide test for chloride

A

White precipitate

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8
Q

Halide test for bromide

A

Cream precipitate

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9
Q

Halide test for iodide

A

Yellow precipitate

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10
Q

Test for sulphate

A

Add dilute hydrochloric acid then add aqueous barium chloride

White precipitate

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11
Q

Flame test lithium

A

Crimson red

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12
Q

Flame test sodium

A

Yellow orange

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13
Q

Flame test potassium

A

Lilac

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14
Q

Flame test calcium

A

Red orange

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15
Q

Flame test copper

A

Green

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16
Q

Test for water

A

Anhydrous copper (ll) sulphate

White to blue

17
Q

Test for metal cation

A

Use aqueous sodium hydroxide

18
Q

Fe3+

A

Brown precipitate insoluble

19
Q

Fe2+

A

Green precipitate

20
Q

Cu2+

A

Blue precipitate

21
Q

Al3+

A

White precipitate

22
Q

Ca2+

A

White precipitate

23
Q

Mg2+

A

White precipitate