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What happens when hydrogen gas is passed over hot ferric oxide​
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What happens when hydrogen gas is passed over hot ferric oxide​

User HuseyinUslu
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Answer:When hydrogen gas is passed over hot copper oxide, the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained.

Step-by-step explanation:

User DanEEStar
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Answer:

When hydrogen is passed over hot ferric oxide (FeO) hydrogen reacts with oxygen present in the compound and forms water (H2O) and pure Iron

Step-by-step explanation:

User Brieuc
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