Question

what observation found when copper sulphate is heated in a dry test tube​

Answer 1

Answer:

The colour of hydrated copper sulphate CuSO4. 5H2O is blue that turns into white, when heated at high temperature in a test tube, due to the loss of water molecules from copper sulphate.

Answer 2

Answer:

The colour of hydrated copper sulphate CuSO4. 5H2O is blue that turns into white, when heated at high temperature in a test tube, due to the loss of water molecules from copper sulphate.