Stoichiometry Mcqs for Chemical

Q.  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.


ANSWER: See Answer
 
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