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प्रश्न
Two methods by which rusting of iron can be prevented are ______ and ______.
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उत्तर
Two methods by which rusting of iron can be prevented are painting and galvanization.
Explanation:
Painting creates a protective barrier, while galvanization involves coating iron with zinc to prevent rust.
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संबंधित प्रश्न
Which metals do not corrode easily?
What are alloys?
Fill in the following blanks with suitable words:
............ and .............. are necessary for the rusting of iron.
Why is an iron grill painted frequently?
Name any two metals which do not corrode easily.
What are the constituents of stainless steel?
If copper is kept exposed to damp air for a considerable time, it gets a green coating on its surface. This is due to the formation of:
(a) hydrated copper sulphate
(b) copper oxide
(c) basic copper carbonate
(d) copper nitrate
Find the odd one out and give its explanation.
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 |
Gold plated ornaments is the example of ______.
