MCQOPTIONS
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| 1. |
36 kg of gunpowder contains 27 kg of salt, 5.4 kg of charcoal and some amount of sulfur. Find the percentage of sulfur. |
| A. | 15% |
| B. | 10% |
| C. | 8% |
| D. | 100% |
| Answer» C. 8% | |