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Year 8 > Metals and Materials MTA > Flashcards

Metals and Materials MTA Flashcards

1
Q

Complete the equation:

zinc + hydrochloric acid ⇢ ___________ + __________

A

zinc chloride + hydrogen

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2
Q

Name two properties of metals

A

Any two from:

  • Shiny
  • Conduct heat
  • Conduct Electricity
  • Maleable
  • Sonorous
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3
Q

Complete the equation:

magnesium + hydrochloric acid ⇢ ___________ + __________

A

magnesium chloride + hydrogen

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4
Q

Put these metals in order of reactivity from most to least reactive:

copper, magnesium, lead

A

Magnesium, Lead, Copper

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5
Q

How do you test for hydrogen?

A

Hold a lit splint at the end of a test tube filled with gas, if the gas makes a squeaky pop, it is hydrogen.

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6
Q

Complete the equation:

magnesium + oxygen ⇢ ___________

A

magnesium oxide.

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7
Q

Complete the equation:

zinc + oxygen ⇢ ___________

A

zinc oxide

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8
Q

Complete the equation:

copper + oxygen ⇢ ___________

A

copper oxide

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9
Q

Complete the equation:

potassium + water ⇢ _________________ + ________________

A

potassium hydroxide + hydrogen

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10
Q

Complete the equation:

sodium + water ⇢ _________________ + ________________

A

sodium hydroxide + hydrogen

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11
Q

Complete the equation:

lithium + water ⇢ _________________ + ________________

A

lithium hydroxide + hydrogen

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12
Q

Complete the displacement equation:

iron + copper sulfate ⇢ _____________ + copper

A

iron sulfate

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13
Q

What type of reaction happens when a more reactive metal ‘pushes out’ a less reactive metal?

A

Displacement reaction

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14
Q

What is the name for a rock that you can extract metal from?

A

Ore

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15
Q

How can carbon be used to extract a pure metal from a metal oxide?

A

Carbon reacts with the oxygen in the oxide creating carbon dioxide and leaving a pure metal.

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16
Q

Complete the equation:

carbon + copper oxide ⇢ ___________ + ___________

A

copper + carbon dioxide

17
Q

Complete the equation:

carbon + lead oxide ⇢ ___________ + ____________

A

lead + carbon dioxide

18
Q

What two things are needed for rusting to happen?

A

Oxygen and water

19
Q

What could you do to prevent rusting?

A

Paint the metal

or

Put a more reactive metal on it (sacrificial protection)

20
Q

Why does metal in saltwater rust more quickly?

A

The salt acts as a catalyst.

21
Q

Why does covering a metal in grease stop it from rusting?

A

The grease acts as a barrier to stop water coming into contact with the metal.

22
Q

Name the acid that makes chlorides

A

Hydrochloric acid

23
Q

Name the acid that makes sulfates

A

Sulfuric acid

24
Q

Name the acid that makes nitrates

A

Nitric acid

25
Q

What is the test for hydrogen called?

A

Squeaky pop test

Year 8 (5 decks)

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