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General IGCSE Chemistry > Tests And Results > Flashcards

Tests And Results Flashcards

1
Q

Test for carbon dioxide?

A

Bubble through limewater, it turns cloudy

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2
Q

Test for hydrogen?

A

Insert lit splint into test tube containing hydrogen, squeaky pop

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3
Q

Test for oxygen?

A

Glowing splint will re-light in its presence

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4
Q

Test for ammonia?

A

Turns moist red litmus paper blue

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5
Q

Test for water?

A

Add anhydrous copper sulfate, turns white to blue

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6
Q

Flame Test for calcium?

A

Brick red flame

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7
Q

Flame Test for lithium?

A

Red flame

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8
Q

Flame Test for sodium?

A

Yellow/orange flame

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9
Q

Flame Test for potassium?

A

Lilac flame

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10
Q

Test for chloride?

A

Add silver nitrate and nitric acid, a white precipitate is formed

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11
Q

Test for iodide?

A

Add silver nitrate and nitric acid, yellow precipitate is formed

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12
Q

Test for bromide?

A

Add silver nitrate and nitric acid, cream precipitate is formed

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13
Q

Test for iron(III) ions?

A

Add sodium hydroxide, Orange/brown precipitate is formed

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14
Q

Test for ammonium ions?

A

Add sodium hydroxide, gas given off turns damp red litmus blue

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15
Q

Test for sulfate ions?

A

Add HCl and barium chloride, white precipitate is formed

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16
Q

Test for copper ions?

A

Add sodium hydroxide and heat, blue precipitate is formed

17
Q

Test for iron(II) ions?

A

Add sodium hydroxide heat, green precipitate

18
Q

Test for chlorine?

A

It de colourises/bleaches litmus paper

19
Q

Test for c=c double bond?

A

Decolourises bromine water

20
Q

Test for carbonate ions?

A

Add HCl, observe effervescence

General IGCSE Chemistry (12 decks)

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