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Chemical in cosmetics
The phrase cosmetics are taken from the Greek word Kosmetikos. The meaning of this is decorating. Beautifying or enhancing complexion of skin. In middle asia from the ancient times Henna has been employed to decorate hands and few other parts of the body. Some of the cosmetics that find make use in daily life are illustrated below,
(1) Creams
(a) Cleansing creams
(b) Cold creams
(c) Vanishing creams
(d) Sunburn creams
(e) Bleach cream
free energy and spontaeity
RNA nucleotides Base + Ribose → (Nucleoside) + Phosphoric acid → Nucleotide
what is surface chemistry?
Uses of Esters (a) Esters are used as a solvent for oils, fats, cellulose, resins etc. (b) Esters are used in making artificial flavours and essences. (c) Esters are used
how do you convert decimals into scientific notations?
Spectroscopy: 1. Run IR spectra on both of your purified products and on pinacolone. Comment on any features of interest, including the C=O stretch frequencies. 2. Obtai
If the atomic weight of an element is 23 times that of the lightest element and it has 11 protons, then it contains : (1)11 protons, 23 neutrons, 11 electrons (2)11 protons,
Draw the IR spectra of pyridine
describe valence bond theory and its limitations
name the easiest method of obtaining diesel from a mixture of petrol and diesel.
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