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| Q.16 | Which of the following are food preservatives? | |
| Ans | 1. Formic acid, vinegar and methyl alcohol | |
| 2. Gypsum, salt and formic acid | ||
| 3. Salt, sodium nitrite, spices and vinegar | ||
| 4. Gypsum, soda and methyl alcohol |
Correct Ans Provided: 3
