Chemistry Quiz: Preparation of Copper Sulphate

How is a salt made?

• Neutralisation of a base with an acid

• Adding a solid to a liquid

• Increasing the pH of the base

• decreasing the pH of the base

What is the base used to prepare copper sulphate?

• Metal carbonate

• Metal hydroxide

• Sulfuric acid

• Copper oxide

What acid is used in this reaction?

• Hydrochloric

• Sulphuric

• Nitric

• Carbonic

What is salt will be made in this reaction?

• Copper Chloride

• Copper Sulphate

• Copper Nitrate

• Copper Carbonate

How much sulfuric acid is measured using a measuring cylinder?

• 20 centimeters cubed

• 50 centimeters cubed

• 30 centimeters cubed

• 40 centimeters cubed

What is the sulphuric acid poured into once it is measured in the measuring cylinder?

• Volumetric flask

• Conical Flask

• Beaker

• boiling tube

What is used to heat the acid?

• A beaker, tripod and bunsen burner

• a boiling tube and waterbath

• A test tube, clamp stand and bunsen burner

• conical flask and heater

How long should you heat the acid for?

• 10 seconds

• 30 seconds

• 1 minutes

• 3 minutes

How much copper oxide should be added?

• none

• one spatulaful

• exactly 100g

• an excess

what should you do once the copper oxide has been added?

• stir the mixture with a glass rod

• pour the liquid away

• immediately add more

• added more acid