MCQOPTIONS
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MCQOPTIONS
| 1. |
In steel and steel lubrication, the zinc dialkyl dithiosulphates forms _______ |
| A. | ZnSO<sub>4</sub> |
| B. | ZnSO<sub>2</sub> |
| C. | ZnSO<sub>3</sub> |
| D. | ZnS |
| Answer» E. | |