Chemistry · Food Adulteration
Metanil yellow, a non-permitted dye, is often used to adulterate turmeric. Which chemical test can confirm its presence?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Mixing with saltwater and checking for layers
- 2Adding vinegar and looking for bubbles
- 3Boiling in water and observing sediment
- 4Alcohol and hydrochloric acid test yielding a pink color✓
Correct answer
Alcohol and hydrochloric acid test yielding a pink color
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