Making Salts

Question 1

How are salts made

Answer 1

Neutralization of an acid with a base

Question 2

Step one

Answer 2

Measure out the sulphuric acid (40cm cubed) into a measuring cylinder

Question 3

Step 2

Answer 3

Put the sulphuric acid into a beaker and heat it with the bunsen burner opened half way for 30 seconds

Question 4

Step 3

Answer 4

Add the copper oxide into the beaker

Question 5

Step 4

Answer 5

Stir it with a glass rod, straight away there will be a chemical reaction

Question 6

Step 5

Answer 6

Leave it to settle and you should start to see the water turn blue

Question 7

Step 6

Answer 7

Black, unreacted copper (excess copper) needs to be removed from the copper sulphate to ensure the crystals are pure

Question 8

Step 7

Answer 8

Use a filter and a funnel to seperate the copper and the copper sulphate

Question 9

Step 8

Answer 9

Put the solution into an evaporating basin and heat it to dry the crystals, don’t make the crystals too hot or the give of a toxic gas