which of the following is not an example of corrosion
A) rusting of iron
B) wearing and tearing of moving machine parts
C) tarnishing of sliver
D) formation of green coating on copper
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Answer:
which of the following is not an example of corrosion
A) rusting of iron
B) wearing and tearing of moving machine parts✔
C) tarnishing of sliver
D) formation of green coating on copper
Answered by
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Answer: Option B Wearing and tearing of moving machine parts.
Explanation:
Corrosion:
Corrosion is defined as the process by which metals are corrodes when exposed to moist air for a longer duration of time.
Examples includes Silver turning black when exposed to moist air, iron having a brown coating called rust, green coating on copper.
Prevention measures
Painting ,oiling, making alloy and Galvanization.
Galvanization is protecting steel and iron from rusting by coating them with a thin layer of zinc.
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