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| Q. |
The chemical used in enabalining biological materials is – |
| A. | formaldehyde in water |
| B. | formaldehyde in methanol |
| C. | ethylene glycol |
| D. | gaseous formaldehyde |
| Answer» A. formaldehyde in water | |
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Explanation: Embalming fluids use formaldehyde as a preservative. Formaldehyde is the simplest aldehyde with the chemical formula HCHO. Formalin is a solution offormaldehyde in water, usually with a small amount of methanol added. Modern formaldehyde based embalming fluids are much kinder to the environment than those used in previous years. |
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