Neutralisation

Question 1

What are acids

Answer 1

Substances which dissociate ( split up) in water to form particles called ions. This idea came from Swedish chemists Arrhenius in the late 19th century.

Question 2

What are bases

Answer 2

Substances which mix with alkalis’s and acids to give a salt and water mixture it often neutralises the acids to give a salt and water mixture

Question 3

What are alkalis

Answer 3

Bases which are soluble enough to melt in water

Question 4

What are Indicators

Answer 4

Chemicals that give off the ph and solution of an acid or alkali. They cause a colour change which causes the ph result

Question 5

What are some examples of indicators and what results do they show

Answer 5

Universal = shows ph level of an acid or alkali
Litmus paper = defines an acid or alkali by colour

Question 6

What would be the outcome if acidic rain landed on a steel roof

Answer 6

The rain would corrode through the steel roof and harm whatever is inside