MCQOPTIONS
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| 1. |
Hypermetropia can be corrected by using: |
| A. | Concave lens |
| B. | Convex lens |
| C. | A substance which causes removal of oxygen from substances is called oxidizing agent. |
| D. | Concavo - convex lens |
| E. | None of these |
| Answer» C. A substance which causes removal of oxygen from substances is called oxidizing agent. | |