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Chemistry GCSE - P1 > Chemical analysis > Flashcards

Chemical analysis Flashcards

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1
Q

Test for chlorine

A

Damp, blue litmus paper (blue to white)

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2
Q

Test for oxygen

A

Glowing splint (splint will be relit)

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3
Q

Test for hydrogen

A

Squeeky pop (lit splint)

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4
Q

Test for carbon dioxide

A

Limewater (turns cloudy)

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5
Q

Test for carbonates

A

Add dilute HCl, then check for CO2 (using limewater)

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6
Q

Test for sulfates

A

Add dilute HCl, add barium chloride, white PPT formed

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7
Q

Test for halides

A

Add dilute nitric acid, add silver nitrate, different halides = different ppt
Chloride ions = white ppt
Bromide ions = cream ppt
Iodide ions = yellow ppt

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8
Q

What colour flame is a Lithium ion?

A

Crimson

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9
Q

What colour flame is a Sodium ion?

A

Yellow

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10
Q

What colour flame is a Potassium ion?

A

Lilac

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11
Q

What colour flame is a Calcium ion?

A

Orange - red

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12
Q

What colour flame is a Copper ion?

A

Green

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13
Q

What ppt does Calcium form?

A

White ppt (reacted with sodium hydroxide)

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14
Q

What ppt does iron II form?

A

Green ppt (reacted with sodium hydroxide)

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15
Q

What ppt does iron III form?

A

Brown ppt (reacted with sodium hydroxide)

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16
Q

What ppt does magnesium form?

A

White ppt (reacted with sodium hydroxide)

17
Q

What ppt does copper form?

A

Blue ppt (reacted with sodium hydroxide)

Chemistry GCSE - P1 (31 decks)

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