What is the reason for the change in colour of copper sulphate when iron nail is kept on it ?

What is the reason for the amber colour of the urine ?

The colour of copper sulphate solution-

Why does the colour of copper sulphate solution change when an iron nail is dipped in it?

Which of the following is the colour of copper sulphate (CuSO_4) ?

What could be the reason for the change in reactivity of elements?

What is the reason for a substance to change from solid to liquid state ?

What is the reason for colour change in tomatoes? (green-white-yellow- red)

Which of the following is the reason for the bluish green colour solution, when copper oxide reacts with dilute HCl ?

16 grams of copper sulphate is dissolved in one litre of water . It is electrolysed using a current strength of 10 amp for a period of 965 sec. What is the concentration of copper sulphate after electrolysis ? Take atomic weight of copper as 64 and assume there is no loss in water during electrolysis.

What will happen when iron nails dipped in copper sulphate solution?