InterviewSolution
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InterviewSolution
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(i) What is meant by corrosion ? (ii) Why do aluminium sheets not corrode easily. (iii) Why is copper vessel covered with a green coating in rainy season ? |
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Answer» SOLUTION :(i) Slow eating of metals DUE to attack of atmospheric gases so as to CONVERT the METAL into its oxide, sulphide or carbonate etc. is called corrosion. (ii) A protective layer is formed on its surface to prevent it from corrosion `(Al_(2)O_(3))` (III) Formation of copper oxide on ti from direct contact with air and moisture i.e., due to corrosion in copper. |
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