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Chemistry (Yr11) > acids > Flashcards

acids Flashcards

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1
Q

acids have a pH of …?

A

1-6

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2
Q

alkalis have a pH of …?

A

9-14

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3
Q

what pH is neutral?

A

7-8

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4
Q

Acids are what type of donors?

A

Proton donors

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5
Q

Bases are what type of acceptors?

A

Proton acceptors

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6
Q

Litmus paper in ACID

A

RED

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7
Q

Litmus paper in ALKALI

A

BLUE

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8
Q

Phenolphthalein in ACID

A

Colorless

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9
Q

Phenolphthalein in ALKALI

A

Pink

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10
Q

Methyl Orange in ACID

A

Red

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11
Q

Methyl Orange in ALKALI

A

Yellow

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12
Q

Base + Water =

A

Salt + water

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13
Q

Base + Carbonate =

A

Salt + Water + Carbon Dioxide

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14
Q

Base + Alkali =

A

Salt + Water

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15
Q

Acid + Ammonia =

A

Salt ONLY

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16
Q

Ammonia + Hydrochloric Acid =

A

Ammonium Chlordie

17
Q

HCL

A

Hydrochloric acid

18
Q

HNO3

A

Nitric acid

19
Q

H2SO4

A

Sulfuric acid

20
Q

NH3

A

Ammonia

21
Q

NaOH

A

Sodium Hydroxide

22
Q

K2CO3

A

Potassium Carbonate

23
Q

Ca(OH)2

A

Calcium Hydroxide

24
Q

MgCO3

A

Magnesium Carbonate

25
Q

Define acids in terms of IONS

A

A substance that releases H+ ions in solution.

26
Q

Which ions are always present in a solution of an ALKALI?

A

OH-

27
Q

What is a SALT?

A

A compound is formed when some/all of the Hydrogen from acid is replaced by a metal.

28
Q

What is a NEUTRALISATION reaction?

A

A reaction involving an acid that results in a neutral solution.

29
Q

Which IONS reacts together in a neutralization reaction between ACIDS and ALKALIS?

A

H+ and OH-

30
Q

Metal + Acid =

A

Salt + Hydrogen gas

31
Q

Metal Hydroxide + Acid =

A

Salt + Water

32
Q

Metal Oxide + Acid =

A

Salt + Water

33
Q

Metal Carbonate + Acid =

A

Salt + Water + Carbon Dioxide

34
Q

How do you make a SOLUBLE SALT from an Acid?

A

React the Acid with a Base.

Chemistry (Yr11) (1 decks)

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