Topic 2: Acids, Alkalis, Bases And Salts

Question 1

What is the salt produced by hydrochloric acid?

Answer 1

Chloride

Question 2

What is the salt that is produced from sulphuric acid?

Answer 2

Sulphate

Question 3

What is the salt produced from nitric acid?

Answer 3

Nitrate

Question 4

Define acid

Answer 4

Source of hydrogen ions in solution (when dissolved in water)

Question 5

Define base

Answer 5

Any substance that will react with an acid forming salt and water only
eg: copper (II) oxide CuO
Calcium hydroxide Cu(OH)2

Question 6

Define alkali

Answer 6

Source of hydroxide ions in solution. A soluble base
eg: sodium hydroxide NaOH
All alkalis are based. But not al bases are alkalis

Question 7

Define neutralisation

Answer 7

Reaction between and acid and a base

Question 8

Name the 4 typical acid reactions

Answer 8

acid + alkali —> water + salt
acid + metal carbonate —> salt + carbon dioxide + water
acid + metal oxide —> salt + water
acid + metal —> salt + hydrogen