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AS Chemistry > Test-tube Reactions > Flashcards

Test-tube Reactions Flashcards

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1
Q

Chlorine

A

Damp blue litmus paper turns red and then bleaches to white

Damp starch iodide paper turns blue-black

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2
Q

Ammonia gas

A

Damp red litmus paper turns blue

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3
Q

Ammonium ions

A

Reacts with cold aqueous sodium hydroxide to produce ammonia and water
Then test for ammonia

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4
Q

Carbonate ions

A

Add hydrochloric acid to produce carbon dioxide

Bubble carbon dioxide through limewater and it turns cloudy

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5
Q

Sulfate ions

A

Add barium chloride to form a white precipitate of barium sulfate

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AS Chemistry (6 decks)

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