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GCSE CHEMISTRY > Chemical Analysis Tests > Flashcards

Chemical Analysis Tests Flashcards

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1
Q

Describe the test for hydrogen gas

A

Hold a lit splint in the gas - listen for squeeky pop

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2
Q

What is the test for oxygen gas?

A

Put a glowing splint into the gas - it will re-light

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3
Q

What is the test for carbon dioxide

A

Bubble through limewater. Colourless to Cloudy

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4
Q

What is the gas test for Chlorine?

A

Damp Blue Litmus Paper Bleaches White

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5
Q

Flame Tests: Lithium

A

Red/Crimson

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6
Q

Flame Tests: Sodium

A

Yellow/Orange

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7
Q

Flame Tests: Potassium

A

Lilac

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8
Q

Flame Tests: Calcium

A

Orange/Red

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9
Q

Flame Tests: Copper

A

Green Precipitate

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10
Q

Sodium Hydroxide Tests: Iron 2

A

Green Precipitate

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11
Q

Sodium Hydroxide Tests: Iron 3

A

Brown Precipitate

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12
Q

Sodium Hydroxide Tests: Aluminium, Calcium, Magnesium

A

White Precipitate

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13
Q

Halide Tests: Chlorine

A

Add silver Nitrate: White Precipitate

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14
Q

Halide Tests: Bromine

A

Add silver nitrate: Cream Precipitate

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15
Q

Halide Tests: Iodine

A

Add silver nitrate: Yellow Precipitate

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16
Q

Acid Test for Carbonates

A

Add Acid, Bubble gas produced through limewater - if carbonate colourless limewater turns cloudy.

17
Q

Sodium Hydroxide Tests: Which ions are soluble in excess NaOH

A

Aluminium

18
Q

Sodium Hydroxide Tests: Which ions are insoluble in excess NaOH

A

Calcium and Magneiusm

19
Q

What is the test for Sulfate ions?

A

Add Barium Chloride and check for white precipitate

20
Q

How can you identify the difference between Calcium and Magnesium following a NaOH test

A

Calcium produces an orange colour following a flame test.

GCSE CHEMISTRY (2 decks)

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