Write chemical equation for the event.
Iron filings are dropped in aqueous solution of copper sulphate.

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Solution

Iron is more reactive than copper. It can displace Copper (Cu) from its salt Copper sulphate ( $C u S O_{4}$ ) and its color changes from blue to green.
Chemical Equation: $F e + C u S O_{4} \to F e S O_{4} + C u$

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Q. Write chemical equation for the following events.
a. Aluminium came in contact with air.
b. Iron filings are dropped in aqueous solution of copper sulphate.
c. A reaction was brought about between ferric oxide and aluminium.
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Represent the following reaction in the form of a chemical equation.
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Q. Identify the type of chemical reaction taking place and also write the balance chemical equation for :Iron nails when left dipped in blue copper sulphate solution, It becomes brownish in colour and the blue colour of copper sulphate fades away.

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Write chemical equation for the event.Iron filings are dropped in aqueous solution of copper sulphate.

Iron is more reactive than copper. It can displace Copper (Cu) from its salt Copper sulphate (CuSO4) and its color changes from blue to green.Chemical Equation: Fe+CuSO4→FeSO4+Cu

Write chemical equation for the event.
Iron filings are dropped in aqueous solution of copper sulphate.

Iron is more reactive than copper. It can displace Copper (Cu) from its salt Copper sulphate ( $C u S O_{4}$ ) and its color changes from blue to green.
Chemical Equation: $F e + C u S O_{4} \to F e S O_{4} + C u$