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AAA - CHEMISTRY - Revision > C2 Salts > Flashcards

C2 Salts Flashcards

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1
Q

What is a precipitate?

A

Solid insoluble salt

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2
Q

What 2 chemicals could be used to make an insoluble salt of lead chloride?

A

Sodium chloride

Lead nitrate

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3
Q

How could an insoluble salt be removed?

A

Filtration

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4
Q

Give one use of making insoluble salts?

A

Photography

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5
Q

What acid is used to make a chloride salt?

A

Hydrochloric acid

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6
Q

What acid is used to make a sulfate salt?

A

Sulfuric acid

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7
Q

What acid is used to make a nitrate salt?

A

Nitric acid

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8
Q

How can salt solutions be made into a solid salt?

A

Evaporation and crystallisation

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9
Q

Metals can react with acids to make soluble salts, why cannot all metals be used in this way?

A

Not reactive enough or too reactive

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10
Q

How is an insoluble base like copper oxide used to make a soluble salt?

A

Excess copper oxide is added to acid and the extra is filtered out before evaporation and crystallisation

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11
Q

What is a soluble hydroxide?

A

Alkali

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12
Q

What are metal oxides and hydroxides?

A

Bases

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13
Q

Acids and alkalis reacted completely produce a salt solution, what substance is used to show when this has happened?

A

Indicator

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14
Q

Give the formula for ammonia?

A

NH3

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15
Q

Is ammonia an acid or an alkali?

A

Alkali

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16
Q

Why are ammonium salts important?

A

Make fertilisers

17
Q

What ions make a solution acidic?

A

H+

18
Q

What ions make a solution alkaline?

A

OH-

19
Q

What scale measures acidity or alkalinity of a solution?

A

pH

20
Q

Give an ionic equation that represents neutralisation.

A

H+ + OH- → H2O

21
Q

What salt is produced if sodium carbonate reacts with hydrochloric acid?

A

Sodium chloride

22
Q

What salt is produced if iron reacts with sulfuric acid?

A

Iron sulfate

23
Q

What salt is produced if potassium hydroxide reacts with nitric acid?

A

Potassium nitrate

AAA - CHEMISTRY - Revision (21 decks)

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