MCQOPTIONS
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| 1. |
Refractory cement is formed by which of the following process? |
| A. | Heating Bauxite and Limestone until liquefied then cooling and grinding |
| B. | Heating Bentonite and Limestone until liquefied then cooling and grinding |
| C. | Heating Bentonite and Calcite until liquefied then grinding |
| D. | Heating Bentonite and Calcite until liquefied then cooling and grinding |
| Answer» B. Heating Bentonite and Limestone until liquefied then cooling and grinding | |