Which of the following used as a preservative for biological specimens?
A
Acetic acid
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B
Chloroform
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C
Formalin
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D
Formic acid
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Solution
The correct option is A Formalin Preservatives are the substances used to preserve the food biological specimens to prevent the damage. Formalin is the one of the preservatives used to preserve biological specimens. Formalin is used for the preservation of biological specimen. Formalin is 30-40% of water in Formaldehyde or methanol