Question

the metal salt A is blue in color. when salt A is heated strongly over a burner, then a substance B present in it is eliminated and a white powder C us left behind. when a few drops of a liquid D are added to C, it becomes blue again... 1) identify A B C and D....
2) Write the chemical equations involved give an example of salt which also shows the above properties ​

Answer 1

Answer:

Copper sulphate crystals (A) are blue and have the chemical formula CuSO4. ... When copper sulphate crystals are heated strongly, they lose all the water of crystallisation (B) and form anhydrous copper sulphate (C), which is white.