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Chemistry Flashcards > C8- Tests > Flashcards

C8- Tests Flashcards

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1
Q

What is the test for Hydrogen?

A

Lit Splint makes a squeaky pop

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2
Q

What is the test for Oxygen?

A

Relights a glowing splint

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3
Q

What is the test for Carbon Dioxide?

A

Bubbled through limewater, turns cloudy

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4
Q

What is the test for chlorine gas?

A

Bleaches (turns white) damp blue litmus paper

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5
Q

What test can be used to test for Li+ (Lithium) ions?

A

Flame test - Crimson Flame

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6
Q

What test can be used to test for Na+ (Sodium) ions?

A

Flame test - Yellow Flame

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7
Q

What test can be used to test for K+ (Potassium) ions?

A

Flame test - Lilac Flame

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8
Q

What test can be used to test for Ca2+ (Calcium) ions?

A

Flame test - Orange/red Flame

Add to Sodium Hydroxide - White Precipitate that doesn’t dissolve in excess

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9
Q

What test can be used to test for Cu2+ (Copper (II)) ions?

A

Flame test - Green Flame

Add to Sodium Hydroxide - Blue Precipitate

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10
Q

What test can be used to test for Fe2+ (Iron (II)) ions?

A

Add to Sodium Hydroxide - Green Precipitate

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11
Q

What test can be used to test for Fe3+ (Iron (III)) ions?

A

Add to Sodium Hydroxide - Brown Precipitate

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12
Q

What test can be used to test for Mg2+ (Magnesium) ions?

A

Add to Sodium Hydroxide - White Precipitate that doesn’t dissolve

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13
Q

What test can be used to test for Al3+ (Aluminium) ions?

A

Add to Sodium Hydroxide - White Precipitate that does dissolve in excess

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14
Q

What test can be used to test for Cl- (Chloride) ions?

A

Add to Silver Nitrate with Nitric Acid - White Precipitate

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15
Q

What test can be used to test for Br- (Bromide) ions?

A

Add to Silver Nitrate with Nitric Acid - Cream Precipitate

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16
Q

What test can be used to test for I- (Iodide) ions?

A

Add to Silver Nitrate with Nitric Acid - Yellow Precipitate

17
Q

What test can be used to test for CO32- (Carbonate) ions? (CO3 with a charge of 2-)

A

Add to dilute acids - Fizzes

Bubble the gas through limewater, turns cloudy is a positive test for CO2

18
Q

What test can be used to test for SO42- (Sulfate) ions? (SO4 with a charge of 2-)

A

Add to dilute Hydrochloric acid then to Barium Chloride - White Precipitate

Chemistry Flashcards (6 decks)

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