Botswana BGCSE Science Double Award (0569) Practice Questions - Botswana General Certificate Of Secondary Education - Science Double Award (Syllabus 0569) Exam

A student tests a sample of egg albumen using Biuret reagent. What color change confirms the presence of protein?

Blue to brick-red Blue to purple Yellow-brown to blue-black Colorless to milky-white emulsion

Correct Answer:

Blue to purple

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