Steel containing ____ is used in machines for cutting and grinding.
(a) chromium
(b) copper (c) nickel
(d) tin
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Answer:
steel containing chromium is used in machines for cutting and grinding.
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The metal used in the alloy of steel for the purpose of cutting and grinding is the Chromium.
Answer: Option A, Chromium.
Explanation:
The chromium is considered to be a sharp metal as they are not very soft as so to mould on impact and are not also very hard to give blunt impact. Therefore on mixing chromium with the alloy of steel makes it sharper steel which can be formed into blades.
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