Question

$\huge\bold\pink {Question:}$
IN A TEST TUBE,COPPER SULPHATE WAS KEPT WITH IRON NAIL WHICH WAS RUSTED.IT WAS KEPT 2-3 DAYS,THE COLOUR OF THE SOLUTION CHANGED TO BLUE.
1.WHY WAS THERE A CHANGE IN COLOUR?
2.WHAT IS THE CHEMICAL EQUATION FOR THIS?





(MY SCIENCE EXAM WAS OVER 4 HOURS,JUST ASKING FOR REFERANCE)

Answer 1

Answer:

When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper. Therefore copper sulphate solution colour changes from blue to pale green.

Explanation:

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Answer 2

Answer:

Answer 1. because iron is more reactive than copper.

sry but meko 2nd nai aata...