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Science > Flashcard practice #2 > Flashcards

Flashcard practice #2

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1
Q

What are the metals in the reactivity series?

A

Potassium
Sodium
Calcium
Magnesium
Aluminum
Carbon
Zinc
Iron
Copper
Silver
Gold

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2
Q

What is reactivity?

A

How quickly or slowly a chemical reacts

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3
Q

What is reactivity series?

A

A list of metals rated from how reactive they are.

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4
Q

Which metal burns brightly in Oxygen?

A

Potassium and Sodium

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5
Q

Which burns brightly in air?

A

Magnesium and Calcium

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6
Q

Slow reaction wit Oxygen?

A

Zinc, Iron and Copper

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7
Q

No reaction(Oxygen)

A

Silver and Gold

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8
Q

Vigorous reaction with water

A

Potassium and sodium

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9
Q

Slow reaction with water

A

Calcium and magnesium

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10
Q

Reacts only with steam not water

A

Zinc and Iron

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11
Q

No reaction(Water)

A

Copper, Silver and Gold

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12
Q

Dangerous reaction with acid

A

Potassium, Sodium and Calcium

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13
Q

Reaction slows down with time.

A

Magnesium, Zinc, Iron and Copper

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14
Q

No reaction(Acid)

A

Silver and Gold

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15
Q

What is a displacement

A

When a reactive metal pushes out a less reactive metal

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16
Q

Where is Aluminium in the reactivity series?

A

Below Magnesium but above Zinc

17
Q

What as an exothermic reaction?

A

When a reaction gives out the heat in the air.

18
Q

What is Molten?

A

A liquid metal

19
Q

What is the melting point of Iron?

A

5353 Celsius

20
Q

What is a thermite reaction?

A

When a metal and oxide ignite

21
Q

Which metals can Carbon displace?

A

Zinc, iron, tin and lead

22
Q

What is an ore?

A

A rock where metals are found

23
Q

When did people discover Carbon can displace Iron?

A

3500 years ago

24
Q

Where is Sodium Chloride used now

A

food

25
Q

Where is Sodium Chloride used now

A

food

26
Q

Where is Magnesium Carbonate used now?

A

To keep Gymnasts’ hands dry

27
Q

Where is Calcium carbonate used now?

A

Chalk

28
Q

Where is Aluminuim sulfate used now?

A

Dye

29
Q

Where is Copper sulfate used now?

A

In fermented Soy beans

30
Q

Where is Ammonium Nitrate used?

A

Fertlizer

31
Q

Why be careful while boiling chemicals?

A

Because it can spit and burn you

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