Chemial Test Flashcards by Yumi Thana

Q

Test for hydrogen

A

‘Pops’ with lit splint

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Q

Test for oxygen

A

Relights glowing splint

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Q

Test for carbon dioxide

A

Turns limewater milky

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Q

Test for chlorine

A

Bleaches damp litmus paper

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Q

Test for carbonates

A

Add dilute acid

Effervescence
-carbon dioxide is produced

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Q

Test for halide

A

Acidify with dilute nitric acid and then add

Aqueous silver nitrate

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Q

Halide test for chloride

A

White precipitate

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Q

Halide test for bromide

A

Cream precipitate

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Q

Halide test for iodide

A

Yellow precipitate

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Q

Test for sulphate

A

Add dilute hydrochloric acid then add aqueous barium chloride

White precipitate

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Q

Flame test lithium

A

Crimson red

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Q

Flame test sodium

A

Yellow orange

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Q

Flame test potassium

A

Lilac

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Q

Flame test calcium

A

Red orange

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Q

Flame test copper

A

Green

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Q

Test for water

A

Anhydrous copper (ll) sulphate

White to blue

Q

Test for metal cation

A

Use aqueous sodium hydroxide

Q

Fe3+

A

Brown precipitate insoluble

Q

Fe2+

A

Green precipitate

Q

Cu2+

A

Blue precipitate

Q

Al3+

A

White precipitate

Q

Ca2+

A

White precipitate

Q

Mg2+

A

White precipitate