Sawaal
12
Q:

Steel contains

A) no carbon B) < 2% of carbon
C) > 10% of carbon D) > 29% of carbon

Answer:   B) < 2% of carbon



Explanation:

To make steel, iron ore is first mined from the ground. It is then smelted in blast furnaces where the impurities are removed and carbon is added.

In simple, steel is iron alloyed with carbon, usually 0 - 2%.

Subject: Chemistry
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