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Chemistry - GCSE > Reactions Of Metals > Flashcards

Reactions Of Metals Flashcards

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1
Q

Metal + Water –> ?

A

Metal + Water –> Metal Hydroxide + Hydrogen

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2
Q

Metal + Acid –> ?

A

Metal + Acid –> Metal Salt + Hydrogen

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3
Q

What is Oxidation?

A

The gain of Oxygen

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4
Q

What is Reduction?

A

The loss of Oxygen

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5
Q

In an Oxidation reaction:
Magnesium + Oxygen –> ?

A

Magnesium Oxide

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6
Q

In a reduction reaction:
Magnesium Oxide –> ?

A

Magnesium + Oxygen

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7
Q

What are Displacement Reactions?

A

Displacement Reactions are when more reactive metals can displace a less reactive metal from its compounds.

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8
Q

Displacement Reaction:
Magnesium + Copper Sulfate –> ?

A

Magnesium Sulfate + Copper

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9
Q

What is the Reactivity Series?

A

The reactivity series shows the elements in order of how reactive they are (how easily they lose electrons).

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10
Q

What kind of metals can be extracted from the earths crust?

A

Unreactive metals

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11
Q

How is a metal extracted form the crust if it is less reactive than carbon?

A

Heat with carbon

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12
Q

How is a metal extracted form the crust if it is more reactive than carbon?

A

electrolysis

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13
Q

What is Electrolysis?

A

Using electricity to separate elements from a compound

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14
Q

What do the negative ions move towards?

A

Positive electrodes

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15
Q

What do positive ions move towards?

A

Negative Electrodes

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16
Q

What are electrodes?

A

An electrical conductor inside of the the electrolyte during electrolysis.

17
Q

What is an Electrolyte?

A

A liquid/solution used in electrolysis to conduct electricity. between two electrodes.

18
Q

What is The Reactivity Series?

A

Lists metals in order of their reactivity towards other substances.

19
Q

The Reactivity Series?

A
  • Potassium
  • Sodium
  • Lithium
  • Calcium
  • Magnesium
  • Carbon
  • Zinc
  • Iron
  • Hydrogen
  • Copper
20
Q

What is a Half-Equation?

A

An equation that shows how electrons are transferred when a substance is reduced or oxidised.

21
Q
A

Chemistry - GCSE (15 decks)

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