When blue copper(II) sulfate is heated, a white solid and water are produced. If water is then added to the white solid, it turns blue and gives out heat. Which terms name the blue copper(II) sulfate and the reactions?
- Athe blue copper(II) sulfate is a mixture; reactions can be reversed
- Bthe blue copper(II) sulfate is a mixture; reactions cannot be reversed
- Cthe blue copper(II) sulfate is hydrated; reactions can be reversed
- Dthe blue copper(II) sulfate is hydrated; reactions cannot be reversed