A. Exhibit wetting characteristics B. Should be used in neutral or reducing atmosphere C. Exhibit high shrinkage on thermal treatment D. Are not resistant to corrosion by slag
A. Does not react with basic slags B. Is produced from baddeleyite C. Cannot be used as an insulator D. Has poor electrical conductivity at high temperature
A. Increased by the addition of basic oxides B. Reduced by the addition of basic oxides C. Not affected by the addition of basic oxides D. Always more than 2500°c
