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A substance that loses oxygen in a reaction is said to be:
ARepelled
BRestored
CReduced
DRefined
Answer & Solution
Correct answer: C. Reduced
1. Copper oxide with hydrogen loses oxygen.
2. That is the definition given.
3. It is said to be reduced.
_Source: NCERT Class 10 Science, Ch 1 'Chemical Reactions and Equations'_
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