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Chemistry > Electrolysis > Flashcards

Electrolysis Flashcards

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1
Q

What is an ore?

A

A rock containing a metal

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2
Q

What is a native metal?

A

An metal that is un reactive so is not combined with any other element.

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3
Q

How are metals more reactive than carbon extracted?

A

Electrolysis

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4
Q

How are metals less reactive than carbon extracted?

A

Reduction

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5
Q

What does electrolysis mean?

A

Breaking apart a compound using electricity.

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6
Q

What is anion?

A

Negatively charged ion

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7
Q

What is a cation?

A

A positively charged ion

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8
Q

Which electrode do positively charged ions travel to?

A

Negative electrode ( cathode )

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9
Q

Which electrode does negatively charged ions travel to?

A

Positive electrode ( anode )

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10
Q

How are negative ions formed?

A

Gain electrons

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11
Q

How are positive ions formed?

A

Losing electrons

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12
Q

What are the stages of a life cycle assessment?

A

Obtain

Manufacture

Use

Dispose

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13
Q

What is produced when a metal reacts with a water?

A

Metal hydroxide + hydrogen

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14
Q

What pH range are alkalis?

A

pH 8-14

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15
Q

What pH range are acids?

A

pH 1-6

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16
Q

What is produced when a metal reacts with an acid?

A

Salt + hydrogen

17
Q

What is the test for hydrogen?

A

Lit splint

Squeaky pop

18
Q

What is displacement?

A

When a more reactive metal takes the place of a less reactive metal in a compound.

Chemistry (3 decks)

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