CuSO4 is an ionic compound that is used for a variety of tasks. It can be sprayed on fruits to control fungus growth, it can be mixed in solutions to test for proteins and sugars, and it burns a bright blue-green. What is the chemical name for CuSO4? a. Copper sulphate b. Copper sulphur oxide c. Copper (II) sulphate d. Copper (I) sulphate