Advertisements
Advertisements
प्रश्न
Indicate which of the following statement is true and which is false:
The removal of hydrogen from a substance is called reduction.
पर्याय
True
False
Advertisements
उत्तर
False
Explanation:
The removal of hydrogen from a substance is called oxidation.
APPEARS IN
संबंधित प्रश्न
Give an example of an oxidation reaction.
MULTIPLE CHOICE QUESTIONS
The process of adding oxygen to a substance is called
- oxidation.
- reduction.
- displacement.
- hydrogenation.
Give scientific reason.
It is reccommended to use air tight container for storing oil for long time.
Complete and balance the following equation:
CuO +__________→ Cu +___________
Write chemical formula for rust.
Which of the following statements about the given reaction are correct?
\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe3O4_{(s)} + 4H2_{(g)}}\]
(i) Iron metal is getting oxidised.
(ii) Water is getting reduced.
(iii) Water is acting as the reducing agent.
(iv) Water is acting as oxidising agent.
When Ag is exposed to air it gets a black coating of ____________.
Write a short note on oxidizing and reducing agents.
Find the oxidation number of the element in the following compound.
Zn in ZnSO4
Find the oxidation number of the element in the following compound.
Ca in CaH2
