A) Melting
B) Tasting
C) Phosphthalein
D) Adding a pinch of anhydrous \[CuS{{O}_{4}}\]
Correct Answer: D
Solution :
Colourless anhydrous \[CuS{{O}_{4}}\] becomes blue on reaction with water.
You need to login to perform this action.
You will be redirected in
3 sec
