Getting metals from rocks Flashcards Preview

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Flashcards in Getting metals from rocks Deck (9):
1

What is a metal ORE?

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

2

What is the main aluminium ore?

Bauxite

3

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

Oxide

4

How are most metals extracted fro their ore?

Using a chemical reaction

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.

drops
increases

6

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

LEARN IT!!!

7

What 2 ways are metals extracted from their ore chemically?

Reduction, Electrolysis

8

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

concentrated
rocky material

9

Electrolysis can be used to [ ] the extracted metal

purify