MCQ

In this reaction A and B are …………
- ✓$CH _3 COOH + HCOOH$
- B$CH _3 COOH + CO _2$
- C

- D$HCOOH + CO _2$


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| LIST I | LIST II |
| A. Chlorophyll | 1. $Zn^{2+}$ |
| B. Haemoglobin | 2. $Co^{3+}$ |
| C. Carboxy peptidase | 3. $Mg^{2+}$ |
| D. Cyanocobalamine | 4. $Fe^{2+}$ |