- (A), (B), (D), (C)
- (B), (A), (D), (C)
- (B), (A), (C), (D)
- (D), (B), (A), (C)
Answer
Video showing Test for Presence of Protein in Food
When copper sulphate and caustic soda are added to a food sample, a violet color indicates the presence of proteins in the food.
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