Patterns Of Reactivity

Question 0

What is the equation for metals being heated in air?

Answer 0

Metal + oxygen -> metal oxide

Question 1

Where can you get sodium?

Answer 1

The sea

Question 2

What is the equation for metal + water?

Answer 2

Metal + water -> metal hydroxide + hydrogen

Question 3

What is the equation for reacting a metal with acid?

Answer 3

Metal + acid -> salt + hydrogen

Question 4

What metals are in the reactivity series? Use the mnemonic & then the names.

Answer 4

Please - potassium
Send - sodium
Little - lithium
Charlie's - calcium
Monkeys - magnesium 
And - aluminium
Zebras - zinc
In - iron
Tall - tin
Lead - lead
Cages - copper
Securely - silver
Guarded - gold
Please - platinum

Question 5

What is a displacement reaction?

Answer 5

When a more reactive metal displaces a less reactive metal from its compund.

Question 6

Zinc + copper sulphate -> ?

Answer 6

Zinc sulphate + copper

Question 7

How do we prevent rust?

Answer 7

Painting/oiling
Plastic coating
Galvanising
Sacrificial protection