Which of the following will not be reduced by | vedclass

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(D) Hydrogen acts as a reducing agent for metal oxides of metals that are less reactive than hydrogen in the reactivity series.$CuO + H_2 \rightarrow

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Heated aluminium oxide

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(D) Hydrogen acts as a reducing agent for metal oxides of metals that are less reactive than hydrogen in the reactivity series.$CuO + H_2 \rightarrow Cu + H_2O$$Fe_2O_3 + 3H_2 \rightarrow 2Fe + 3H_2O$$SnO_2 + 2H_2 \rightarrow Sn + 2H_2O$Aluminium is more reactive than hydrogen,so $Al_2O_3$ cannot be reduced by $H_2$.

Which of the following will not be reduced by $H_2$?

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