alleryThe substance which gets oxidised in the reaction CuO + H₂ → Cu + H₂O is:
ACuO
BCu
CH₂
DH₂O
Answer & Solution
Correct answer: C. H₂
1. H₂ gains oxygen → it's OXIDISED (to H₂O).
2. CuO loses oxygen → it's REDUCED (to Cu).
3. So H₂ is the REDUCING agent; CuO is the OXIDISING agent.
_Source: syllabus Science Ch 1 §1.3 Oxidation/Reduction_
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