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Chemistry > C3.4 Further Quantitive > Flashcards

C3.4 Further Quantitive Flashcards

0
Q

What are the colour changes for universal indicator?

A

Red to purple

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1
Q

What’s the equation for concentration?

A

Concentration=mole/volume (x1000 if in cm3)

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2
Q

What are the colour changes for methyl orange?

A

Red to yellow

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3
Q

What are the colour changes for phenolphthalein?

A

Colourless to pink

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4
Q

What’s the gas test for carbon dioxide?

A

Lime water turns cloudy

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5
Q

What’s the gas test for hydrogen?

A

Squeaky pop

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6
Q

What’s the gas test for oxygen?

A

Relight a spill

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7
Q

What’s the gas test for ammonia?

A

Turns damp red litmus paper blue

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8
Q

What’s the gas test for sulfate?

A

Turns damp blue litmus paper red

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9
Q

What’s the gas test for chlorine?

A

Bleaches damp litmus paper

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10
Q

In the flame test, what colour flame is lithium?

A

Bright red

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11
Q

In the flame test, what colour flame is sodium?

A

Yellow

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12
Q

In the flame test, what colour flame is potassium?

A

Lilac

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13
Q

In the flame test, what colour flame is calcium?

A

Brick red

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14
Q

In the flame test, what colour flame is barium?

A

Green

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15
Q

Effect of sodium hydroxide on calcium?

A

White ppt, insoluble in excess

16
Q

Effect of sodium hydroxide on magnesium?

A

White ppt, insoluble in excess

17
Q

Effect of sodium hydroxide on aluminium?

A

White ppt, soluble in excess

18
Q

Effect of sodium hydroxide on ammonium?

A

Ammonia produced in warming

19
Q

Effect of sodium hydroxide on copper?

A

Light blue ppt, insoluble in excess

20
Q

Effect of sodium hydroxide on iron 2?

A

Green ppt, insoluble in excess

21
Q

Effect of sodium hydroxide on iron 3?

A

Red/brown ppt, insoluble in excess

22
Q

Result when acidify with nitric acid and silver nitrate to chloride?

23
Q

Result when acidify with nitric acid and silver nitrate to bromide?

24
Q

Result when acidify with nitric acid and silver nitrate to iodide?

A

Yellow ppt

25
Q

Result when adding hydrochloric acid then barium chloride to sulphate?

26
Q

Result when adding acid to carbonate?

A

Limewater goes cloudy

27
Q

Result when sodium hydroxide and aluminium powder is warmed with nitrate?

A

Ammonia produced

Chemistry (11 decks)

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