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Chemistry paper 2 > Testing For Elements > Flashcards

Testing For Elements Flashcards

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1
Q

What do you use to test the halide ions?

A

Dilute nitric acid and silver nitrate

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2
Q

What halide ion forms a white precipitate?

A

Chloride ions

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3
Q

What halide ion creates a cream precipitate?

A

Bromide ions

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4
Q

What halide ion creates a yellow precipitate?

A

Iodide ions

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5
Q

What do you use to test for carbonate ions?

A

Dilute acid and passing through lime water

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6
Q

What happens when yoy pass a carbonate through linewater?

A

A white precipitate (cloudy)

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7
Q

What do you use to test for sulphate ions?

A

Dilute hydrochloric acid and barium chloride salt

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8
Q

What happens when a sulphate ion is present?

A

A white precipitate is formed

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9
Q

What colour flame does lithium have?

A

Pinky red

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10
Q

What colour flame does sodium have?

A

Yellow

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11
Q

What colour flame does potassium have?

A

Lilac

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12
Q

What colour flame does calcium have?

A

Orange - red

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13
Q

What flame does copper have?

A

Blue

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14
Q

What happens to group 1 metals when you add sodium hydroxide?

A

Colourless

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15
Q

What happens to group 2 metals when you add sodium hydroxide?

A

Colourless

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16
Q

What happens to calcium when you add sodium hydroxide?

A

Colourless

17
Q

What happens when magnesium is added to sodium hydroxide?

A

Colourless

18
Q

What happens when you add aluminium to sodium hydroxide?

A

Colourless

19
Q

What happens to copper 2 when you add sodium hydroxide?

A

Coloured blue

20
Q

What happens when iron 2 is added to sodium hydroxide?

A

Coloured green

21
Q

What happens when uron 3 is added to sodium hydroxide?

A

Coloured orange brown

22
Q

What happens to magnisium in a flame test

A

Flame is white (colourless)

23
Q

What happens to aluminium 3 in a flame test?

A

Silvery white flame (colourless)

24
Q

What do you do to Cations?

A

Add sodium hydroxide and then do flame tests

25
Q

What do you do to anions

A

Test for carbonate then sulphate and then halide ions

Chemistry paper 2 (2 decks)

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