Question
Which of the following reactions is the metal displacement reaction ? Choose the right option.
Options :
2KClO3△−−→2KCl+3O2
Cr2O3+2Al△−−→Al2O3+2Cr
Fe+2HCl→FeCl2+H2↑
2Pb(NO3)2→2PbO+4NO2+O2↑⏐
Answer :
Cr2O3+2Al△−−→Al2O3+2Cr
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