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chemistry > C8 > Flashcards

C8 Flashcards

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1
Q

Test for carbon dioxide

A

When it is shaken with or bubbled through lime water the lime water turns milky/cloudy

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2
Q

Test for hydrogen

A

Hold a burning splint at the open end of the test tube of the gas it burns rapidly with a pop sound

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3
Q

Test for chlorine

A

When damp litmus paper is put into the gas the litmus paper is bleached and turns white

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4
Q

Test for oxygen

A

Insert a glowing splint into a test tube of the gas, the splint relights

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5
Q

Flame test yellow

A

Sodium ion Na+

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6
Q

Flame test crimson

A

Lithium ion Li+

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7
Q

Flame test lilac

A

Potassium ion K+

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8
Q

Flame test green

Sodium hydroxide solution NaOH - blue precipitate

A

Copper ion

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9
Q

Flame test orange/red

Sodium hydroxide solution NaOH - White precipitate

A

Calcium ion Ca 2+

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10
Q

Sodium hydroxide solution NaOH White precipitate

A

Magnesium ion 

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11
Q 
Sodium hydroxide solution NaOH 
White precipitate (dissolves in excess)
A

Aluminium ion Al 3+

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12
Q

Sodium hydroxide solution NaOH

Green precipitate

A

Iron (ll) ion Fe 2+

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13
Q

Sodium hydroxide solution NaOH

Brown precipitate

A

Iron (lll) ion Fe 3+

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14
Q

Add dilute hydrochloric acid
Add barium chloride solution
White precipitate

A

Sulfate ion  SO4 2-

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15
Q

Add dilute acid

Forms carbon dioxide

A

Carbonate ion CO3 2-

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16
Q

Add dilute nitric acid
add silver nitrate solution
white precipitate

A

Chloride ion Cl-

17
Q

Add dilute nitric acid
add silver nitrate solution
cream precipitate

A

Bromide ion Br-

18
Q

Add dilute nitric acid
add silver nitrate solution
yellow precipitate

A

Iodide ion I-

chemistry (10 decks)

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