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Chemistry > Tests > Flashcards

Tests Flashcards

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1
Q

Carbon Dioxide

A

Limewater

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2
Q

Hydrogen

A

Lighted splint, squeaky pop

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3
Q

Oxygen

A

Relight glowing splint

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4
Q

Chlorine

A

Bleach litmus paper

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5
Q

How to test for halide ions?

A

Add dilute nitric acid
Then silver nitrate solution

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6
Q

Chloride precipitate colour (Halide ions test)

A

White

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7
Q

Bromide precipitate colour (Halide ions test)

A

Cream

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8
Q

Iodide precipitate colour (Halide ions test)

A

Yellow

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9
Q

Test for carbonates

A

Add Barium chloride
- Produce white precipitate if carbonates
Add hydrochloric acid
- Mixture will fizz, producing carbon dioxide

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10
Q

Test for sulfate

A

Add Barium chloride
- If sulfates, white precipitate formed
Add hydrochloric acid
- White precipitate won’t dissolve

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11
Q

Lithium (Flame test)

A

Red flame

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12
Q

Sodium (Flame test)

A

Yellow flame

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13
Q

Potassium (Flame test)

A

Lilac flame

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14
Q

Calcium (Flame test)

A

Red flame

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15
Q

Copper (Flame test)

A

Blue-green flame

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16
Q

Sodium hydroxide precipitate test

A

Add sodium hydroxide solution
- Forms colored precipitate

17
Q

Calcium (Precipitate test)

A

White

18
Q

Copper (Precipitate test)

A

Blue

19
Q

Iron(II) (Precipitate test)

A

Green

20
Q

Iron(III) (Precipitate test)

A

Brown

21
Q

Zinc (Precipitate test)

A

White
- Then colourless

Chemistry (8 decks)

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