

MCQOPTIONS
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1. |
In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it? |
A. | 1 ∶ 2 |
B. | 2 ∶ 1 |
C. | 1 ∶ 3 |
D. | 2 ∶ 3 |
Answer» B. 2 ∶ 1 | |