

InterviewSolution
Saved Bookmarks
1. |
Given colourless liquid will be determined whether it is water or not?A. by smellingB. by tastingC. by phenolphthaleinD. by adding a pinch of anhydrous `CuSO_(4)` |
Answer» Correct Answer - C Water is odourless, tasteless and neutral and hence cannot be detected by smelling, testing or adding phenolphthalein. On adding a pinch of anhydrous `CuSO_(4)`(white) to water, hydrated copper sulphate is formed which is blue in colour. `underset(("White"))underset("Anhydrous")(CuSO_(4))+5H_(2)Otounderset("Blue")(CuSO_(4).5H_(2)O)` |
|