Acids and Bases : Chemical Tests Flashcards

1
Q

What element gives a green flame

A

Copper (Cu)2+

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2
Q

What element gives a red flame

A

Lithium (Li)+

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3
Q

What element gives a red/orange flame

A

Calcium (Ca)2+

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4
Q

What element gives a lilac flame

A

Potassium (K)+

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5
Q

What element gives a yellow flame

A

Sodium (Na)+

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6
Q

What do you use in flame tests

A

A Nichrome Wire

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7
Q

Which cation gives the positive test result colour of light blue precipitate

A

Copper (Cu)2+

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8
Q

Which cation gives the positive test result colour of green/brown precipitate

A

Iron (ii) (Fe)2+

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9
Q

Which cation gives the positive test result colour of reddish brown precipitate

A

iron (iii) (Fe)3+

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10
Q

Which cation gives the positive test result colour of blue precipitate

A

Ammonium (NH4)+

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11
Q

When you add silver nitrate and diluted nitric acid what gives off a white precipitate

A

Chloride (Cl)-

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12
Q

When you add silver nitrate and diluted nitric acid what gives off a Cream precipitate

A

Bromine (Br)-

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13
Q

When you add silver nitrate and diluted nitric acid what gives off a yellow precipitate

A

Iodine (I)-

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14
Q

When you add Hydrochloric acid what gives off a Lime water that turns milky white precipitate

A

Carbonate (CO3)2-

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15
Q

When you add Hydrochloric acid what gives off a White precipitate

A

Carbon Dioxide (C02)

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16
Q

When you add Hydrochloric acid and Barium Chloride what gives off a white precipitate

A

Sulfate (SO4)2-

17
Q

What test do you use for hydrogen

A

Lit Splint - Which produces a squeaky pop sound

18
Q

What test do you use for Carbon dioxide

A

Limewater Test - If the limewater turns cloudy white

19
Q

What test do you use for Oxygen

A

Glowing Splint - Relights