GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Galvanised iron sheets have a coating of
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chromium
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tin
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zinc
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lead
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Explanation:
Detailed explanation-1: -Answer : Iron sheets are coated with zinc because zinc is a reactive metal which readily reacts with oxygen present in air to form a hard layer of zinc oxide. This layer is so hard that it prevents air and moisture from passing through it.
Detailed explanation-2: -Galvanised iron sheets: Zinc-coated iron is known as ‘galvanized iron.
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