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Which of the following can undergo a chemical reaction?
A$\mathrm{MgSO}_4 + \mathrm{Fe}$
B$\mathrm{CuSO}_4 + \mathrm{Fe}$
C$\mathrm{ZnSO}_4 + \mathrm{Fe}$
D$\mathrm{MgSO}_4 + \mathrm{Pb}$
Answer & Solution
Correct answer: B. $\mathrm{CuSO}_4 + \mathrm{Fe}$
This Metals and Non-metals item tests a core Chemistry concept.
Correct answer: $\mathrm{CuSO}_4 + \mathrm{Fe}$.
_Source: NCERT Exemplar Science Class 10 (NCERT)_
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