C2 KO

Question 1

Oxidation

Answer 1

A reaction where oxygen is added

Question 2

Reduction

Answer 2

A reaction where oxygen is removed

Question 3

Reactivity Series

Answer 3

A table of elements (mostly metals) in order if reactivity

Question 4

Displacement

Answer 4

Where a more reactive element displaces a less reactive element in its compound

Question 5

Ore

Answer 5

An ore is a rock that contains enough of a metal compound to be economically worth extracting

Question 6

Native metal

Answer 6

An unreactive metal that is found on its own in the ground

Question 7

How can metals be placed in order of reactivity?

Answer 7

add the metals to water or acid and see which one reacts the most vigorously

Question 8

Why is platinum found in the Earth’s crust?

Answer 8

It’s unreactive

Question 9

How are metals less reactive than carbon extracted from their ore?

Answer 9

Reduction with carbon

Question 10

State the 3 common acids and give their formula.

Answer 10

Hydrochloric acid HCL
Sulphuric Acid H₂SO₄
Nitric Acid HNO₃