C8 Flashcards by Helen Brockington | Brainscape

Q

What colour will lithium turn in a flame test

A

Crimson

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Q

What colour will sodium turn in flame test

A

Yellow

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Q

What colour will potassium turn in flame test

A

Lilac

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Q

What colour will calcium turn in flame test

A

Orange - red

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Q

What colour will copper turn in flame test

A

Green

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Q

What will happens to aluminium in sodium hydroxide

A

White precipitate that dissolves in excess

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Q

What happens to calcium in sodium hydroxide

A

White precipitate formed

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Q

What happens to magnesium in sodium hydroxide

A

White precipitate formed

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Q

What happens to copper in sodium hydroxide

A

Blue precipitate formed

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Q

What happens to iron 2+ in sodium hydroxide

A

Green precipitate formed

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Q

What happens to iron 3+ in sodium hydroxide

A

Brown precipitate formed

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Q

What is the test for a carbonate

A

Add acid

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Q

What is the observation for a carbonate test

A

Test carbon dioxide gas given off with limewater. Like water goes cloudy

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Q

What is the test for sulfate

A

Add dilute hydrochloric acid and barium chloride

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