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N5 Chemistry > Acids and Bases > Flashcards

Acids and Bases Flashcards

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1
Q

Acids have a pH of…

A

Less than 7

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2
Q

Alkalis have a pH…

A

More than 7

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3
Q

What is the pH?

A

The pH is a measure of the concentration of hydrogen ions in a solution

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4
Q

When metal oxide is dissolved in water a ______ solution is formed.

A

Alkaline solution

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5
Q

When a non-metal is dissolved in water a ________ solution is formed.

A

Acidic solution

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6
Q

Higher concentration of H+ ions

A

Acids

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7
Q

Higher concentration of OH- ions

A

Alkalis

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8
Q

Acidic solutions have more…

A

Hydrogen ions

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9
Q

Neutral solutions have…

A

An equal number of both hydrogen and hydroxide ions.

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10
Q

Alkali solutions have more…

A

Hydroxide ions

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11
Q

What is neutralisation?

A

The reaction of an acid with a base that results in the pH moving towards 7.

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12
Q

Acid + Alkali ->

A

Salt + water

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13
Q

Acid + metal oxide ->

A

Salt + water

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14
Q

Metal carbonate + acid ->

A

Salt + water + carbon dioxide

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15
Q

When an alkali reacts with Hydrochloric Acid the salt name ending is…

A

Chloride

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16
Q

When an alkali reacts with Sulfuric Acid the salt name ending is…

A

Sulfate

17
Q

When an alkali reacts with Nitric Acid the salt name ending is…

A

Nitrate

18
Q

What is Titration?

A

A technique is commonly used in neutralisation reactions and can also be used to calculate an unknown concentration (of either the acid or alkali).

19
Q

3 key acid names?

A

Hydrochloric acid, sulfuric acid, nitric acid

20
Q

3 key alkali names?

A

sodium hydroxide, calcium hydroxide, lithium hydroxide

21
Q

Ionic formula of hydrochloric acid?

A

H+ (aq) Cl- (aq)

22
Q

Ionic formula of sulfuric acid?

A

2H+ (aq) SO4-2 (aq)

23
Q

Ionic formula of nitric acid?

A

H+ (aq) NO3- (aq)

24
Q

Ionic formula of sodium hydroxide?

A

Na+ (aq) OH- (aq)

25
Q

Ionic formula of calcium hydroxide?

A

Ca+2 (aq) 2OH- (aq)

26
Q

Ionic formula of lithium hydroxide?

A

Li+ (aq) OH- (aq)

27
Q

What is a neutralisation reaction

A

The reaction of an acid with a base to produce water

N5 Chemistry (10 decks)

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