The correct answer is D: Fuchsin to stain nuclei in dark red
A stain is a chemical that interacts with tissue to produce a characteristic color. A stain is of utmost importance in chemical and biological sciences because they are used to carry out several types of analysis.
Among the statements in the question, the false statement is "Fuchsin to stain nuclei in dark red". This is because, fuschin stain nuclei to a light blue black color. It is a cationic triphenylmethane dye used to stain cytoplasm and nuclei of tissue. The process causes the nuclei to become light blue-black.
The chemical structure of fuchsin is shown in the image attached.
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