Question

Q:-6
Do as directed
(1) Blue coloured solution is given in the figure. Which solution is it? What causes the colour (0
change in this solution. Explain.
greencolour solution
Blue colour solution
Iron nail
Padich iron nail
(2) A flag near the check post furls in the direction of sea. Is it midnight or afternoon? Why?​

Answer 1

Answer:

it is copper sulphate solution

Explanation:

iron nail when dipped in the copper sulphate solution displaces it and forms pale green iron sulphate and deposits of copper on iron nail