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Acids bases and salts > Acids bases and salts > Flashcards

Acids bases and salts Flashcards

1
Q

Examples of strong acid

A

Sulfuric acid
Hydrochloric acid
Nitric Acid

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2
Q

Examples of weak acid (3-4 5-6)

A

Ethanoic acid (vinegar)
Carbonic acid

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3
Q

Examples of weak alkali

A

Ammonia

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4
Q

Examples of strong alkali

A

Sodium Hydroxide
Potassium Hydroxide

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5
Q

what does strong mean

A

Strong = acids or alkalis completely ionised in water

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6
Q

what does weak mean

A

weak = acids or alkalis partially ionised in water.

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7
Q

What is the neutralisation equation

A

H+ (aq) + OH- (aq) -> H20 (l)

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8
Q

What is a soluble Base

A

Alkali

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9
Q

What is the test for hydrogen

A

Lit splint in a test tube with hydrogen causes a pop

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10
Q

What is the test for carbon dioxide

A

bubble through limewater
milky liquid.

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11
Q

what colour is all acids?

A

colourless

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12
Q

what colour is copper oxide

A

Black

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13
Q

what colour is copper carbonate

A

Green

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14
Q

what colour is copper sulfate solution

A

Blue

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15
Q

What colour is all other metal oxides/carbonates

A

White

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16
Q

What colour is all other metal solutions

A

colourless

17
Q

What does acids produce in equation

A

water

18
Q

What does single metals produce in equation

A

Hydrogen (three lines)

19
Q

What does carbonate produce in equation

A

CO2

20
Q

Observations of Acid and Metal

A

bubbles
heat is released
solid disappears
colourless solution formed

21
Q

Observations of Acid and copper carbonate

A

bubbles
heat is released
solid disappears
blue solution formed

22
Q

Observations of acid and sodium carbonate

A

bubbles
heat is released
solid disappears
colourless solution formed

23
Q

What is and what produces HN03

A

produces HN03 = nitric acid
HN03 = nitrate

24
Q

What is and what produces HCL

A

produces HCL = Hydrochloric acid
HCL = chloride

25
Q

What is and what produces H2SO4

A

produces H2SO4 = sulfuric acid
H2SO4 = sulfate

26
Q

Neutralisation reactions are…

A

Exothermic

27
Q

Neutralisation practical steps were

A

adding acid and alkali together in a beaker with a thermometer the temperature would rise this experiment is carried out in a polystyrene cup (insulator)

28
Q

What is a salt

A

Salt = compound formed when some or all of hydrogen ions of an acid are replaced by metal or ammonium ions. Salts are named by taking name of metal then adding ending based on acid used.

29
Q

Acid + ammonia forms what salt?

A

Ammonium salt

Acids bases and salts (1 decks)

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