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Question

Which of the following organic compound is used to preserve biological specimen?


A
HCHO
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B
CH3COOH
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C
HCOOH
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D
CH3CH2OH
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Solution

The correct option is B $$HCHO$$
Formalin is 40% aqueous solution of HCHO which is a pungent gas and used as an antiseptic, disinfectant and as a fixative for histology preserving the biological specimen in laboratories. In it, the tissues are preserved to study under the microscope.

Chemistry

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