MCQOPTIONS
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MCQOPTIONS
| 1. |
Lye is used in soap-making. Lye is a concentrated solution of which ionic compound? |
| A. | K<sub>2</sub>CO<sub>3</sub> |
| B. | CuSO<sub>4</sub> |
| C. | NaOH |
| D. | NaCl |
| Answer» B. CuSO<sub>4</sub> | |