11 mark
Water and a white solid are produced when blue copper(II) sulfate is heated. On the addition of water to the white solid, heat is released and the white solid turns blue.
Which row correctly describes the reaction and the blue copper(II) sulfate?
| type of reaction | blue copper(II) sulfate |
A | non-reversible | anhydrous |
B | reversible | anhydrous |
C | non-reversible | hydrated |
D | reversible | hydrated |
Choose your answer