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Chemistry > Ionic Formulae > Flashcards

Ionic Formulae Flashcards

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1
Q

Give an example of an oxidation reaction

A

Rusting

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2
Q

Give two ways rusting can be prevented

A

Barrier techniques

Sacraficial protection

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3
Q

Give to examples of metals found native

A

Gold

Platinum

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4
Q

Give three ways to extract metals

A

Reduction
Electrolysis
Displacement

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5
Q

Give five proerties of iron

A 
Soft
Greyish
Magnetic
Melting point: 1538C
Good conductor
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6
Q

Whats irons ore called

A

Haematite

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7
Q

How is iron extracted

A

In a blast furnace

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8
Q

How does a blast furnace work for the extraction of iron

A

Coke, Haematite (iron ore) and limestone are added to the top of the blast furnace. The coke produces Corbon Monoxide.

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9
Q

What is Aluminiums ore

A

Bauxite

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10
Q

What are the impurities of bauxite

A

Iron III oxide

Silicon Dioxide

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11
Q

Properties of Aluminium

A

Low density
Very malleable
Good conductor
Thin tough oxide skin

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12
Q

Uses of Aluminium

A

Saucepans
Cabling for power station wires
Panels in aircraft

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13
Q

What are the advantages of manufacturing Aluminum

A

Aluminium is purer

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14
Q

Disadvantages of manufavturing Aluminium

A

Can destroy enviroments during mining
Cost- transport, electricity
Uses fossil fuels

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15
Q

How is Titanium extracted

A

Displacememt reaction with a more reactive metal

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16
Q

What is Titaniums ore

A

Rutile

TiO2

17
Q

Why isn’t Titanium extracted using electrolysis

A

Very expensive because of electricity required

18
Q

What is a displacement reaction

A

When a more reactive metal displaces a less reactive one from its compound

Chemistry (6 decks)

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