Cement Which of the following constituents is present in the blast furnace..

Pankaj Sharma

Royal Member
Staff member
1] 50% alumina and 20% calcium oxide

2] 45% calcium oxide and 35% silica

3] 25% calcium oxide and 15% silica

4] 25% magnesia and 15% silica


The correct Answer Is
2] 45% calcium oxide and 35% silica