MCQOPTIONS
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| 1. |
Pick up the correct characteristic of Pyroxene from the following: |
| A. | It forms octagonal crystals |
| B. | It converts to chlorine by hydration |
| C. | Its density is 2.3 to 3.6 g/cm2 |
| D. | Its hardness is 5 to 6 |
| Answer» E. | |