Question

Q7. 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.
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Answer 1

Answer:

1- Colour of the solution in the beaker changes from blue to green.

A brown colored deposit is found on the surface of the iron nail.

2- The changes are chemical in nature as new substances, iron sulfate (green) and copper (brown) are formed.

3- equation:-

copper sulphate + iron       (gives)       iron sulphate + copper

Answer 2

Answer:

You got the answer congratulations