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Why efficascent oil is green liquid?
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- Describe the properties of the cornstarch mixture. Would you call it solid or liquid? Explainwhat does it mean if a pigment (let' say 'yellow') traveled beyond the solvent front in paper chromatography?How do multiple pigments exist if the chlorophyll extract appears green when placed on the paper?
- The crude caffeine isolated from tea often has a green tinge. Why?What makes the alcohol harmful to the skin when it has been soak for a very long time? What are the components of ethyl and isopropyl alcohol that make it dangerous when soaking into the skin for 15 minutes long?How is essential oil beneficial for both animals and human?