Acids and Bases - Unit 1

Question 1

How do you make an alkali?

Answer 1

-Metal reacts with oxygen
-soluble metal oxides dissolve in water to produce an alkali

Question 2

What is the definition of dissociation?

Answer 2

Compounds breaking up to smaller particles such as ions or atoms

Question 3

Acids have a higher concentration of..

Answer 3

hydrogen ions

Question 4

Alkalis have a higher concentration of…

Answer 4

hydroxide ions

Question 5

What is a base?

Answer 5

A solution which can neutralise an acid

Question 6

What is produced when an acid reacts with a metal hydroxide?

Answer 6

salt and water

Question 7

What is produced when an acid reacts with a metal oxide?

Answer 7

salt and water

Question 8

What is produced when an acid reacts with a metal carbonate ?

Answer 8

salt, water, carbon dioxide

Question 9

What salt is produced when calcium hyrdoxide and hydrochloric acid react?

Answer 9

Calcium chloride

Question 10

What salt is produced when copper oxide and nitric acid react?

Answer 10

Copper Nitrate

Question 11

What salt is produced when Sodium oxide and Sulfuric acid react?

Answer 11

Sodium sulphate

Question 12

What are the three steps to produce a soluble salt?

Answer 12

Neutralisation, Filtration, Evaporation

Question 13

what is the concentration of 0.4 moles of sodium nitrate in 500cm of solution?

Answer 13

o.8moll

Question 14

Calculate the volume of 6 moles of sulphuric acid used to prepare 2moll solution

Answer 14

3 litres

Question 15

What does concordant mean?

Answer 15

titre volumes which are 0.2cm apart