MCQOPTIONS
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MCQOPTIONS
| 1. |
Which can act as buffer? |
| A. | NH<sub>4</sub> Cl + HCl |
| B. | CH<sub>3</sub> COOH + H<sub>2</sub> CO<sub>3</sub> |
| C. | 40ml of 0.1M NaCN + 20ml of 0.1M HCN |
| D. | NaCl + NaOH |
| Answer» D. NaCl + NaOH | |