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प्रश्न
A man painted his main gate made up of iron, to
- prevent it from rusting.
- protect it from the sun.
- make it look beautiful.
- make it dust-free.
Which of the above statement(s) is/are correct?
विकल्प
(i) and (ii)
(ii) and (iii)
only (ii)
(i) and (iii)
उत्तर
(i) and (iii)
Explanation:
Painting can prevent rusting and the objects look more beautiful.
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संबंधित प्रश्न
What is the corrosion of iron known as?
Explain why, the galvanised iron article is protected against rusting even if the zinc layer is broken.
What is corrosion? What are necessary conditions for corrosion?
Observe the following picture a write down the chemical reaction with the explanation.
To prevent corrosion of iron and steel _______ method is used.
Write the name.
An alloy of copper and tin-
Observe the following diagram and give answers.
- Name this method of prevention of corrosion.
- For prevention of which metal this method is used?
- What is used as anode in this method?
State whether the following statements are true or false:
Ships suffer a lot of damage though they are painted.
Gold plated ornaments is the example of ______.
In ______ process a layer of molten tin is deposited on metals.
