Consider the following statements regarding effect of minor elements on steel properties: 1. Sulphur is present in steel either as iron sulphide or manganese sulphide and during the rolling or forging of steel, iron sulphide present in steel gets cracked/teared. 2. Silicon, in the form of ferro-silicon, is used widely as a deoxidant due to its low cost and high efficiency. 3. Silicon opposes the presence of iron oxide (FeO) which is very much detrimental to properties of steel. Which of the above statements are correct?
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