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Fireclay refractories___________________?

A. Are not resistant to the action of basic slags

B. Combine with salts (e.g. chlorides sulphates etc.) & bases (e.g. lime, magnesia etc.) forming fusible aluminates silicates etc

C. Shrink during firing

D. All A., B. and C.

Related Questions on Stoichiometry Mcqs for Chemical

Quartz is__________________?

A. Stable form of silica upto 870°C

B. Converted to Tridymite on firing between 870 to 1470°C

C. Transformed to Cristobalite on heating above 1470°C

D. All A., B. and C.