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प्रश्न
A man painted his main gate made up of iron, to
- prevent it from rusting.
- protect it from sun.
- make it look beautiful.
- make it dust free.
Which of the above statement(s) is/are correct?
पर्याय
(i) and (ii)
(ii) and (iii)
only (ii)
(i) and (iii)
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उत्तर
(i) and (iii)
Explanation:
Painting can prevent rusting and the objects look more beautiful.
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संबंधित प्रश्न
Explain how painting of an iron gate prevents it from rusting.
Write a chemical equation to show the process of corrosion of iron.
What type of chemical reaction is involved in the corrosion of iron?
What is the corrosion of iron known as?
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
What is corrosion? What are necessary conditions for corrosion?
Identify the process shown in the diagram and explain it in short
Find the odd one out and give its explanation.
Galvanisation is a process used to prevent the rusting of which of the following?
