MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is used as abrasive in AJMM? |
| A. | Al<sub>2</sub>O<sub>3</sub> |
| B. | HNO<sub>3</sub> |
| C. | FeC |
| D. | CaCO<sub>3</sub> |
| Answer» B. HNO<sub>3</sub> | |