MCQOPTIONS
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| 1. |
_ In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength?$? |
| A. | 1:2 |
| B. | 1:3 |
| C. | 2:1 |
| D. | 3:1 |
| Answer» C. 2:1 | |