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What color is phenol red at an acid pH?
Phenol red is yellow at an acid pH.
Why Should phenylalanine give a yellow Color with concentrated nitric acid?
Phenylalanine gives a yellow color with concentrated nitric acid due to the formation of a nitro derivative. Nitric acid reacts with the aromatic ring of phenylalanine, leading to the formation of a yellow compound.
Why amino acids give yellow colour with nitric acid?
When amino acids react with nitric acid, a yellow color may be observed due to the formation of nitro compounds. Nitric acid can nitrate amino acids, leading to the production of yellow-colored nitro derivatives. The specific yellow color observed can vary depending on the amino acid present and the reaction conditions.
What would be the color of bromothymol blue in dilute nitric acid?
Bromothymol blue would appear yellow in dilute nitric acid.
Why the colour of sulphuric acid is yellow?
The yellow color of concentrated sulfuric acid is due to the presence of sulfur-containing impurities in the acid, such as sulfur dioxide and organic compounds. These impurities absorb light at certain wavelengths, giving the acid a yellow appearance. Pure sulfuric acid is colorless.
What is the hex triplet of the color Alizarin crimson?
E32636
What color is phenol red at an acid pH?
Phenol red is yellow at an acid pH.
What is citric acid color?
i think its yellow
What's in lemons?
Acidic acid and citrus acid is what is in lemons and the color yellow
Why Should phenylalanine give a yellow Color with concentrated nitric acid?
Phenylalanine gives a yellow color with concentrated nitric acid due to the formation of a nitro derivative. Nitric acid reacts with the aromatic ring of phenylalanine, leading to the formation of a yellow compound.
What color when acid is put on turmeric indicator?
it turns yellow
Why amino acids give yellow colour with nitric acid?
When amino acids react with nitric acid, a yellow color may be observed due to the formation of nitro compounds. Nitric acid can nitrate amino acids, leading to the production of yellow-colored nitro derivatives. The specific yellow color observed can vary depending on the amino acid present and the reaction conditions.
What would be the color of bromothymol blue in dilute nitric acid?
Bromothymol blue would appear yellow in dilute nitric acid.
Why the colour of sulphuric acid is yellow?
The yellow color of concentrated sulfuric acid is due to the presence of sulfur-containing impurities in the acid, such as sulfur dioxide and organic compounds. These impurities absorb light at certain wavelengths, giving the acid a yellow appearance. Pure sulfuric acid is colorless.
What is OSHA respirator color code for hydrochloric acid?
red ,yellow
What color does BTB turn when mixed with a acid or a base?
Bromothymol blue (BTB) turns yellow in the presence of an acid and blue in the presence of a base.
What are the secondary colors?
Secondary colors are formed when two primary colors are blended together . When you mix red and yellow together, they creates the color orange. Yellow and blue create green. Red and blue create violet.Black is not a secondary color. Alizarin Crimson and Prussian Blue will give you a deep black, but neither of those are primary colors.White is not a secondary color either, since it contains none of the primary color pigments, (red, Blue and Yellow).
