Chemical Tests Flashcards

1
Q

Lithium burns with a…

A

crimson/red flame

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2
Q

Sodium burns with a…

A

yellow-orange flame

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3
Q

Potassium burns with a…

A

lilac flame

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4
Q

Calcium burns with a…

A

brick red flame

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5
Q

test for Copper(ll) ions?

A

when added to NaOH a Blue precipitate is formed

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6
Q

test for Iron(ll) ions?

A

when added to NaOH, a precipitate of (sludgy) green is formed

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7
Q

test for Iron(lll) ions?

A

when added to NaOH, a reddish brown precipitate is formed

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8
Q

test for ammonium compound?

A

Ammonium compound added to NaOH gives off ammonia gas

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9
Q

Test for carbonates

A

When HCl is added to a carbonates carbon dioxide gas is given off

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10
Q

Test for sulfate ions

A

a white precipitate of barium sulfate is produced when first HCl, followed by barium chloride is added to sulfate ions

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11
Q

Test for Chloride ions Cl-

A

when dilute nitric acid and silver nitrate are added to chloride ions, a white precipitate of silver chloride is fomed

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12
Q

Test for Bromide ions Br-

A

when dilute nitric acid and silver nitrate are added to bromide ions, a cream precipitate of silver bromide is fomed

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13
Q

Test for iodide ions I-

A

when dilute nitric acid and silver nitrate are added to iodide ions, a yellow precipitate of silver iodide is formed

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14
Q

Test for chlorine gas

A

bleaches damp litmus paper

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15
Q

Test for oxygen gas

A

oxygen relights a glowing splint

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16
Q

Test for carbon dioxide gas

A

carbon dioxide turns limewater cloudy when bubbled though

17
Q

test for hydrogen gas

A

hydrogen makes a squeaky pop with a lit splint

18
Q

test for ammonia gas

A

turns damp red litmus paper blue

19
Q

test for water

A

water turns the white powder that is anhydrous copper(ll) sulfate into blue crystals (hydrated copper sulfate)