MCQOPTIONS
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| 1. |
Oxidizing bleaching agents include: I. Sodium hypochlorite II. Hydrogen peroxide III. Ozone IV. Sodium bisulphate |
| A. | II, III and IV are correct |
| B. | I, II and III are correct. |
| C. | I, II and IV are correct. |
| D. | I, III and IV are correct |
| Answer» C. I, II and IV are correct. | |