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प्रश्न
A metal oxide that is reduced by hydrogen is
पर्याय
Al2O3
CuO
CaO
Na2O
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उत्तर
CuO
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संबंधित प्रश्न
The addition of oxygen to a substance is called ______ whereas removal of oxygen is called ______.
Explain the following in terms of gain or loss of oxygen with one example:
Oxidation
How would you change a metal like Cu into its ions?
Identify from the reaction the reactants that undergo oxidation and reduction.
Fe + S → FeS
Why this reaction is considered a reversible reaction?
State what is reducing agent. Give an example of oxidising agent in the gaseous, liquid, and solid form.
Identify the reducing agent in the following reactions
`"Fe"_2"O"_3 + 3"CO" -> 2"Fe" + 3"CO"_2`
The tarnishing of metals is due to the formation of ______.
Identify the following reactions as oxidation/reduction/redox reaction
Zn + CuSO4 → Cu + ZnSO4
The oxidizing agent in the equation \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\] is ______.
