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GCSE chemistry > 1i- Electrolysis❗️ > Flashcards

1i- Electrolysis❗️ Flashcards

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1
Q

What is electrolysis?

A

The breaking down of a substance using electricity

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2
Q

What two processes occur during electrolysis?

A

Oxidation & reduction

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3
Q

What happens to ions as they gain or lose electrons?

A

They formed the uncharged substances and are discharged from the electrolyte

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4
Q

what do the cations move towards ?

A

Cathode

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5
Q

What do the anions move towards?

A

Anode

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6
Q

Are cations positive or negative ?

A

positive

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7
Q

Are anions positive or negative ?

A

Negative

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8
Q

Are cathodes positive or negative ?

A

Negative

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9
Q

Are anodes positive or negative ?

A

Positive

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10
Q

What happens when the cations move toward the cathode?

A

They are reduced

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11
Q

What is reduction?

A

Gaining electrons

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12
Q

What is oxidation?

A

Losing electrons

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13
Q

What happens when anions move towards the anode?

A

They are oxidised

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14
Q

What state can ionic compounds conduct electricity in?

A

Molten or in solution

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15
Q

What will the cathode product always be?

A

Metal

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16
Q

What will the anode product always be?

A

Nonmetal

17
Q

Why can ionic compounds only conduct electricity when molten or in solution?

A

Because they have ions that can move and carry charge

GCSE chemistry (15 decks)

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