Saved Bookmarks
| 1. |
A few crystals of copper sulphate are heated in B/F dry boiling tube :(i) What is the colour before and after heating ?(ii) What is the reason for the colour change ?(iii) Can its original colour be restored ? How ? |
|
Answer» (i) Blue and white respectively. (ii) Water of crystallization is lost on heating. (iii) Yes' by adding water. |
|