Reactivity

Question 1

What is a displacement reaction?

Answer 1

When a more reactive metal displaces a less one.
Eg: iron chloride + magnesium -> magnesium chloride + iron

Question 2

What’s the mnemonic for the reactivity series?

Answer 2

Please stop lying, calling me a cute zebra instead try learning copper saves gold.

Question 3

Recall the reactivity series.

Answer 3

Potassium, sodium, lithium, calcium, magnesium, aluminium, carbon, zinc, iron, tin, lead, copper, silver, gold.

Question 4

What is reduction

Answer 4

The loss of oxygen in a reaction

Question 5

What is oxidation

Answer 5

When in a reaction metal gains oxygen

Question 6

What is rusting (corrosion) caused by

Answer 6

Metal + water + air

Question 7

How can you galvanise a metal with another metal?

Answer 7

Coat a less reactive metal eg iron with a more reactive one eg zinc