Which of the following reactions has the underlined substance been reduced ?A. `ul("Carbon monoxide") +" Copper oxide " rarr " Carbon dioxide " + "Copper"`B. `ul("Copper oxide") +" Hydrochloric acid " rarr " Copper chloride " + "Water"`C. `ul("Hydrogen") +" Iron oxide " rarr " Iron " + "Water"`D. `ul("Steam") +" Iron " rarr " Iron oxide " + "Hydrogen"`

Which of the following reactions has the underlined substance been red

1.	Which of the following reactions has the underlined substance been reduced ?A. `ul("Carbon monoxide") +" Copper oxide " rarr " Carbon dioxide " + "Copper"`B. `ul("Copper oxide") +" Hydrochloric acid " rarr " Copper chloride " + "Water"`C. `ul("Hydrogen") +" Iron oxide " rarr " Iron " + "Water"`D. `ul("Steam") +" Iron " rarr " Iron oxide " + "Hydrogen"`
Answer» Correct Answer - D Steam `(H_(2)O)` is reduced to hydrogen by iron.

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