2P08 WenHong, WeiSheng, Zac and ManChin

Leow Wei Sheng

Zac Lee
1) CuSO₄^o5H₂O --> CuSO₄ + 5H₂O

2) Greyish- White

ManChin

3a) Observation: When you heat the copper (II) sulphate, it turns white 

      Explainaton:The water is driven off by the heat. The white residue remained are dehydrated copper (II) sulphate, also known as anhydrous.

WenHong

3b) Observation: The copper turned blue.

      Expaination : This is because the copper(II) sulphate is rehydrated and thus returning to its original colour.