CBSE Class 10 Science Exam 2014 Term 1 Paper

Question : 28 of 36

Marks: +1, -0

Shashank was asked to carry out a displacement reaction which would show the following :
(i) Formation of colourless solution
(ii) Black deposits
The reactants he should use are :

${\Fe}$ (s) and ${\Al}_2 ( {\SO}_4) _3$ (aq)
${\Al}( {\ s})$ and ${\FeSO}_4( {\aq})$
${\Zn}( {\ s})$ and ${\CuSO}_4( {\aq})$
${\Fe}$ (s) and ${\ZnSO}_4$ (aq)

Solution:

(b)

{\Al}( {\ s})

and

{\FeSO}_4( {\aq})

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