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Formalin is used to:

Practice MCQ for SSC, UPSC, RRB Exams

A. Preserve biological specimens A.

B. Soften water B.

C. Color fabrics C.

D. Clean metals D.

Correct Answer: A সঠিক উত্তর: A

Explanation ব্যাখ্যা

Formalin is a dilute solution of formaldehyde, which is a chemical that effectively preserves biological tissues by preventing decomposition and maintaining their structural integrity. It's commonly used in biology laboratories and museums to preserve specimens for study.

Related Questions সম্পর্কিত প্রশ্ন

Match the chemical substances given in Column (A) with their appropriate application given in Column (B).

Column (A)	Column (B)
(a) Bleaching powder	(i) Preparation of glass
(b) Baking soda	(ii) Production of hydrogen and chlorine gas
(c) Washing soda	(iii) Decolourisation
(d) Sodium chloride	(iv) Antacid

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