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प्रश्न
Mention two uses of the following metals and non-metals
Iron
उत्तर
It is used to make pipes, tanks, railing, etc.
It is used in the construction of power transmission towers.
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संबंधित प्रश्न
Answer the following question.
What are alloys?
Explain how painting of an iron gate prevents it from rusting.
Explain why, through aluminium is more reactive than iron, yet there is less corrosion of aluminium when both are exposed to air.
Corrosion can be an advantage in some case.Explain ?
Give reason.
Copper and brass utensils should be tinned.
Give reason for the following:
A suspension of rust is basic in nature.
Match the columns.
| Group A | Group B |
| 1) Electroplating | a) Pressure cooker |
| 2) Anodising | b) Silver plated spoons |
| c) Coating of tin on copper | |
| d) Coating of Zinc on iron |
Write scientific reason.
On exposure to air, silver articles turn blackish after some time.
Explain concept with example/explain with the help of a balanced equation.
Corrosion
Gold plated ornaments is the example of ______.
