Getting metals from rocks

Question 1

What is a metal ORE?

Answer 1

A rock which contains enough metal to make it worthwhile extracting the metal from it

Question 2

What is the main aluminium ore?

Answer 2

Bauxite

Question 3

In many cases the ore is an [ ] of the metal

Answer 3

Oxide

Question 4

How are most metals extracted fro their ore?

Answer 4

Using a chemical reaction

Question 5

If the market price of a metal [ ] a lot, it might not be worth extracting it. If the price [ ] a lot then it might be worth extracting more of it.

Answer 5

drops

increases

Question 6

As technology improves it may be worth extracting metal even when it wasn’t in the past.

Answer 6

LEARN IT!!!

Question 7

What 2 ways are metals extracted from their ore chemically?

Answer 7

Reduction, Electrolysis

Question 8

Some ores may have to be [ ] before the metal is extracted - this just involves getting rid of the unwanted [ ].

Answer 8

concentrated

rocky material

Question 9

Electrolysis can be used to [ ] the extracted metal

Answer 9

purify