Applications of Steel Slag

Steel slag is an industrial byproduct obtained during steel manufacturing. It is widely utilized in the construction industry as an aggregate for road bases (Statement 1 is correct). Due to its calcium and magnesium silicate content, it is used to correct soil acidity and improve agricultural soil (Statement 2 is correct). It is also extensively used as a raw material in the clinker making process for Portland cement production (Statement 3 is correct). > One-line conceptual takeaway: Steel slag is a highly versatile byproduct serving as a substitute material in civil construction, cement manufacturing, and agricultural soil conditioning. Answer: (d).