Advertisements
Advertisements
प्रश्न
Hydrogen burns with a ______ flame and ______ sound is heard.
Advertisements
उत्तर
Hydrogen burns with a pale blue flame and pop sound is heard.
APPEARS IN
संबंधित प्रश्न
Why does the colour of copper sulphate solution change when an iron nail is dipped in it?
When copper powder is heated strongly in air, it forms copper oxide. Write a balanced chemical equation for this reaction. Name
- substance oxidised, and
- substance reduced.
In order to prevent the spoilage of potato chips, they are packed in plastic bags in an atmosphere of ______.
Explain the following in term of gain or loss of oxygen with two examples.
Oxidation
In what respect does hydrogen differ from:
alkali metals
Name:
a solid that is an oxidizing agent.
In the reaction of iron with copper sulphate solution:
CuSO4 + Fe → Cu + FeSO4
Which option in the given table correctly represents the substance oxidized and the reducing agent?
| OPTION | Substance Oxidized | Reducing Agent |
| A | Fe | Fe |
| B | Fe | FeSO4 |
| C | Cu | Fe |
| D | CuSO4 | Fe |
What is a redox reaction?
It is recommended to use air tight containers for storing oil for a long time.
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
