Extraction of Metals

1.

Multiple Choice

30 sec

1 pt

What is an ore?

a solid metal

a rock containing a metal combined with other elements, often oxygen

an element

an object used to row a boat

2.

Multiple Select

45 sec

1 pt

Which of these elements are unlikely to be found uncombined in the earth's crust?

gold

potassium

aluminium

silver

3.

Multiple Choice

30 sec

1 pt

What is the removal of oxygen from a substance called?

reduction

extraction

electrolysis

oxidation

4.

Multiple Choice

30 sec

1 pt

What is the addition of oxygen to a substance called?

decomposition

reduction

oxidation

extraction

5.

Multiple Choice

30 sec

1 pt

Which element cannot be extracted from its ore by reduction with carbon?

iron

aluminium

copper

zinc

6.

Multiple Choice

30 sec

1 pt

Which series is used to predict the reactions of metals with carbon and other elements?

reactionary series

reaction series

redox series

reactivity series

7.

Multiple Choice

30 sec

1 pt

What is the name of the process that uses electricity to separate the elements in a compound?

reduction

electrolysis

extraction

mining

8.

Multiple Choice

30 sec

1 pt

How would you best extract iron from haematite (iron ore)?

reduction by carbon

electrolysis

decomposition

oxidation

9.

Multiple Select

1 min

1 pt

Many metals are extracted from their ores by heating them with carbon in huge furnaces. Which metal(s) cannot be extracted using this method?

Aluminum

Calcium

Zinc

Copper

10.

Multiple Choice

1 min

1 pt

Which statement is correct about extraction of iron from its ore?

Iron is more difficult to extract than copper

Iron is the easiest metal to extract

Iron cannot be extracted from its ore

11.

Multiple Choice

1 min

1 pt

Name a metal that could be extracted from its metal oxide by heating with carbon.

iron

aluminium

gold

magnesium

12.

Multiple Choice

1 min

1 pt

A method of extracting the most reactive metals, like potassium or aluminium.

carbon extraction

fractional distillation

electrolysis

cracking

13.

Multiple Choice

1 min

1 pt

How would you extract Silver?

Heating with coke

Electrolysis

The blast furnace

Silver is found uncombined

14.

Multiple Choice

1 min

1 pt

What method would be used in order to extract potassium?

Heating with Carbon

The blast furnace

Potassium is found uncombined

Electrolysis

15.

Multiple Select

30 sec

1 pt

Which of these metals were the first to be discovered?

potassium

calcium

gold

silver

16.

Multiple Choice

30 sec

1 pt

Which of these metals was the last to be discovered?

Potassium

Copper

Silver

Platinum

17.

Multiple Choice

30 sec

1 pt

Which of these metals requires the most energy to be separated from its ore?

copper

silver

potassium

aluminium

18.

Multiple Choice

30 sec

1 pt

Which of these metals requires the least energy to be separated from its ore?

copper

lead

potassium

aluminium

19.

Multiple Select

30 sec

1 pt

Which of these metals can't be extracted by carbon reduction?

copper

lead

potassium

aluminium

20.

Multiple Choice

30 sec

1 pt

Which of these metals is most likely to be found locked in an ore?

silver

gold

potassium

platinum

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