Question

A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
(a) What changes do you expect?
(b) Are these changes chemical in nature?
(c) Write a word equation for the chemical change, if any.

Answer 1

Answer:

b = chemical

Explanation:

as copper sulphate and iron are man made

Answer 2

Answer:

a- we see the changes like the brownish colour part I will go to the bottom .It will change its colour into blue.

b- yes