MCQOPTIONS
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| 1. |
What is the softening point of western montmorillonite?$ |
| A. | Above 1800°F |
| B. | Above 2000°F |
| C. | Above 2200°F |
| D. | Above 2400°F |
| Answer» B. Above 2000¬¨¬®‚Äö√†√ªF | |