Reactions

Question 1

What is an oxidation reaction?

Answer 1

The reaction of any metal with oxygen, in which the substance combines with oxygen.

Question 2

What is an oxide?

Answer 2

When you add metal with oxygen you get an oxide.

Question 3

Do all metals react with oxygen?

Answer 3

No because some metals are hardly reactive.

Question 4

What is a neutralisation?

Answer 4

When there is the same amount of acid and alkali in a solution

Question 5

What colour does a neutral solution go when added to universal indicator?

Answer 5

Green

Question 6

What colour does an acid go when added to universal indicator?

Answer 6

Red

Question 7

What colour does an alkali go when added to universal indicator?

Answer 7

Purple

Question 8

When added to and alkali, what do these make:
Sulphuric acid
Nitric acid
Hydrochloric acid

Answer 8

Sulphate
Nitrate
Chloride

Question 9

What is a displacement reaction?

Answer 9

When a metal that is more reactive than the one in a solution that it is placed in, it will replace the other metal. E.g zinc chloride + magnesium = magnesium chloride + zinc.

Question 10

What is the reactivity series?

Answer 10

A list of metals in order of reactivity. The most reactive at the top and the least at the bottom.