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प्रश्न
Which of the following reactions is the metal displacement reaction? Choose the right option.
पर्याय
\[\ce{2Pb(NO3)2 ->2PbO + 4NO2 + O2 ↑}\]
\[\ce{2KClO3 ->[Δ] 2KCl + 3O2}\]
\[\ce{Cr2O3 + 2Al ->[Δ] Al2O3 + 2Cr}\]
\[\ce{Fe + 2HCl -> FeCl2 + H2↑}\]
MCQ
उत्तर
\[\ce{Cr2O3 + 2Al ->[Δ] Al2O3 + 2Cr}\]
shaalaa.com
Oxidation Number - Types of Redox Reactions
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