In blast furnace, the highest temperature is in (a) Reduction zone (b) Slag zone (c) Fusion Zone (d) Combustion zone In blast furnace the highest temperature is in (a) Reduction zone (b) Slag zone (c) Fusion Zone (d) Combustion zone November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,