Chemical Tests Flashcards by Ryan Tanna | Brainscape

Q

What is the test for ammonia?

A

Red litmus goes blue

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Q

What is the test for carbon dioxide?

A

Turns limewater milky/cloudy

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Q

What is the test for chlorine?

A

Bleaches damp litmus paper

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Q

What is the test for hydrogen?

A

Squeaky pop with lighted splint

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Q

What is the test for oxygen?

A

Relights a glowing splint

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Q

What is the test for sulphur dioxide?

A

Turns purple potassium manganate colourless

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Q

What is the test for lithium?

A

Flame will go red

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Q

What is the test for sodium?

A

Flame go yellow

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Q

What is the test for potassium?

A

Flame will go lilac

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Q

What is the test for copper?

A

Flame will go blue-green

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Q

What coloured precipitate is Cu2+?

A

Light blue

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Q

What coloured precipitate is Fe2+

A

Green which turns brown

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Q

What coloured precipitate is green and soluble in excess?

A

Cr3+

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