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S3 Chemistry > metals > Flashcards

metals Flashcards

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1
Q

What is the ore of potassium?

A

potassium salt

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2
Q

What is the ore of sodium?

A

common salt

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3
Q

What is the ore of calcium?

A

limestone

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4
Q

What is the ore of magnesium?

A

magnesite

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5
Q

What is the ore of aluminium?

A

bauxite

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6
Q

What is the ore of zinc?

A

zinc blende

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6
Q

What is the ore of iron?

A

haematite

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7
Q

What is the ore of lead?

A

galena

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8
Q

What is the ore of copper?

A

copper oxide or copper pyrite

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9
Q

What is the ore of mercury?

A

cinnabar

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10
Q

What is the ore of silver?

A

silver glance or free in nature

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11
Q

What is the ore of platinum and gold?

A

free in nature

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12
Q

How is the ore extracted for potassium, sodium, calcium, magnesium and aluminium?

A

by electrolysis

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13
Q

How is the ore extracted from copper?

A

copper oxide: by heating with carbon
copper pyrite: by heating with air

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14
Q

Which elements are reactive with oxygen in air?

A

potassium, sodium, calcium, magnesium, aluminium, zinc, iron, lead, copper and mercury

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15
Q

what is the word equation for metals reacting with oxygen in air?

A

metal + oxygen -heat-> metal oxide

16
Q

which elements are reactive with cold water?

A

potassium, sodium, calcium

17
Q

what is the word equation for metals reacting with cold water?

A

metal + water -> metal hydroxide + hydrogen gas

18
Q

which elements are reactive with steam?

A

potassium, sodium, calcium, magnesium, aluminium, zinc, iron

19
Q

what is the word equation for metals reacting with steam?

A

metal + water -> metal oxide + hydrogen gas

20
Q

which elements are reactive with dilute acid?

A

potassium, sodium, calcium, magnesium, aluminium, zinc, iron, lead

21
Q

what is the word equation for metals reacting with dilute acid?

A

metal + dilute acid -> metal salt + hydrogen gas

S3 Chemistry (7 decks)

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