The two most abundant pigments in the chromatography results were carotene and Xanthophyll. What colors are absorbed  or reflected by various pigments and how much is there?

Chlorophyll is similar in structure to heme in red blood cells but does not have an iron atom. What metal ion is present in chlorophyll?

Phycocyanin is blue-green. What color of light does it absorb?

Describe how the functional units for beta carotene, xanthophyll, chlorophyll A, and chlorophyll B are different. Be sure to identify the subunits that adhere to paper during chromatography.

A scientist synthesized an unknown compound. It is soluble in sulfuric acid but not water. They then took a proton NMR using deuterated chloroform. The results are shown below. Identify the unknown compound using the data provided. Bonus: What is the IUPAC name of this compound?

What is the pH of bleach?

When oxygen is exhausted in a milk sample, what color is the methylene blue indicator?

What chemical reaction causes the color change of diphenylamine sulfonate indicator?

Which among the ingredients of this product is the main preservative? Explain.

All questions please.     1) What are the pigments and their applications: 2) What is the difference between lightfastness and permanence of pigments?3) Explain the tinting strength of pigments and its relation with the size of the particle.4) Explain the opacity of pigments and its relation with the size of the particle. 5) What are the 4 ingredients for paints and explain each in one sentence.       1) a) Draw a human eye in the space below (LARGE!), and clearly label each of the partslisted below. Iris aqueous humor ciliary muscles RetinaPupil Cornea vitreous humor FoveaSclera lens choroid optic Optic   b) In your diagram of the human eye, label all instances of refractions that happen fromwhen light first enters the eye to when it is absorbed by the retina.     2) Name 4 popular vision problem and explain each briefly.   3) a) Draw a schematic representation of a cone and a rod photoreceptors in the space below(LARGE!), and clearly label each of the parts listed at…