NEET 2021 Physics and Chemistry

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Question : 70 of 100

Marks: +1, -0

Which of the following reactions is the metal displacement reaction? Choose the right option.

[NEET 2021]

2KClO3
Δ
───▸
2KCl+3O2
Cr2O3+2Al
Δ
───▸
Al2O3+2Cr
Fe+2HCl→FeCl2+H2↑
2Pb(NO3)2→2PbO+4NO2+O2↑

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