Advertisements
Advertisements
प्रश्न
A metal oxide that is reduced by hydrogen is
विकल्प
Al2O3
CuO
CaO
Na2O
उत्तर
CuO
APPEARS IN
संबंधित प्रश्न
Give one example of an oxidation-reduction reaction which is also a displacement reaction.
Define oxidation.
Give scientific reason.
It is reccommended to use air tight container for storing oil for long time.
Describe briefly the ionic concept of oxidation and reduction. Give an equation to illustrate.
Write chemical formula for rust.
Explain the following reaction with their balanced chemical equation.
Hydrogen sulphide reacts with sulphur dioxide.
Identify the reducing agent in the following reactions
`4"NH"_3 + 5"O"_2 -> 4"NO" + 6"H"_2"O"`
Grapes hanging on the plant do not ferment but after being plucked from the plant can be fermented. Under what conditions do these grapes ferment? Is it a chemical or a physical change?
Oxidizing agents are otherwise called ______.
Identify the following reactions as oxidation/reduction/redox reaction
Zn + CuSO4 → Cu + ZnSO4
