L5:Reaction to acids

Question 1

explain how to make copper sulphate

Answer 1

1 Half fill a 250cm beaker with boiling water from the kettle.

2 Add 15cm² of 0.5M sulphuric acid to a boiling tube.

3 Add a small spatula of copper oxide and gently swirl the tube. Only add more copper oxide if it all reacts ie, you cannot see powder at the bottom of the tube any longer.

4 Filter the solution into an evaporating basin.

5 Heat over a Bunsen burner and boil for 2 minutes MAXIMUM-do
not allow it to boildry.

5 Leave to cool

Question 2

matcvh the name of the acid to thier formula

sodium hydroxide HNO3
potassium nitrate KNO3
nitric acid NaOH
copper chloride H2SO4
sodium sulfate Na2SO4
sulfuric acid CuCl2

Answer 2

1)NaOH
2)KNO3
3) HNO3
4)CuCl2
5)Na2SO4
6)H2SO4
(ALL NUMBERS ARE SMOL)