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प्रश्न
State four ways of preventing rusting.
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उत्तर
Rusting Can be prevented by :
- Galvanising – iron metal is coated with zinc.
- Enamelling – iron surface is baked with mixutre of silicates at high temperature.
- Coating with red lead oxide paint or tar on iron surface.
- Oils and grease coating on iron surface cuts off moist air and prevents rusting.
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संबंधित प्रश्न
What is rust ?
State and explain two ways by which air gets polluted in nature.
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What is rusting?
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Acid rain has caused damage to heritage structures such as the Taj Mahal.
Give reason for the following:
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Name the following:
The gas required for both combustion and rusting.
