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EC Chemistry AQA 2 > Electrolysis- Unit 3 > Flashcards

Electrolysis- Unit 3 Flashcards

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1
Q

What is the charge of a cation?

A

Positive (purrrrrrsitive)

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2
Q

What is the charge of an anion?

A

Negative

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3
Q

What is a cathode?

A

Negative electrode

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4
Q

What is a anode?

A

Positive electrode

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5
Q

What does OILRIG mean?

A 
Oxidation
Is
Loss
Reduction
is 
Gain 
(of electrons)
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6
Q

If something gains electrons is it oxidized or reduced?

A

Reduced

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7
Q

If something loses electrons is it oxidized or reduced?

A

Oxidation

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8
Q

What is Brine?

A

Salt Water

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9
Q

What is electrolysis?

A

Splitting something into it’s elements

Using electricity

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10
Q

Why is electrolysis expensive?

A

Electricity costs money

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11
Q

What do we use chlorine for?

A

Cleaning swimming pools

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12
Q

What do we use hydrogen for?

A

Hydrogen Fuel Cars

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13
Q

What can we use Sodium Chloride for?

A

Making soaps

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14
Q

What is NaOH?

A

Sodium Hydroxide

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15
Q

What are the products of the electrolysis of Brine?

A

Sodium Hydroixde
Chlorine
Hydrogen

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16
Q

What is bauxite?

A

Aluminium Oxide ore

17
Q

Why do we use cryolite with bauxite?

A

Reduce it’s MP

Saves movney

18
Q

What are the products of the electrolysis of bauxite?

A

Aluminium

Carbon monoxide/Carbon Dioxide

19
Q

Why are H+ ions attracted to the cathode?

A

Cathode is negative

Opposite charges attract

20
Q

Why are O2- ions attracted to the anode?

A

Anode is positive

Opposite charges attract

21
Q

What does PANIC mean?

A 
Positive
Anode
Negative
Is 
Cathode

EC Chemistry AQA 2 (6 decks)

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