MCQ
Which method is used to preserve food?
- Apasteurisation & irration
- Bchilling and freezing
- Cdrying and dehydration
- ✓all the above
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| LIST I | LIST II |
| A. Unpaired electrons 0 | 1. $\left[ Mn Cl _4\right]^{2+}$ |
| B. Unpaired electrons 1 | 2. $\left[ Co F _6\right]^{3-}$ |
| C. Unpaired electrons 4 | 3. $\left[ Fe \left( CN _6\right)\right]^3$ |
| D. Unpaired electrons 5 | 4. $\left[ Ni ( CN )_4\right]^{2-}$ |