Biology for IGCSE & O level - Biological Molecules (Section 3 - No. 38)
What is the result of a positive test for vitamin C (ascorbic acid) using DCPIP?
The DCPIP solution turns blue.
The DCPIP solution turns colorless.
The DCPIP solution remains blue.
A precipitate forms.
Explanation
Vitamin C causes DCPIP to lose its blue color and become colorless.
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