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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
what mass of oxygen gas exerts a pressure of 475 mm Hg in a volume of 1.25L at a temperature of -22C
atoms combine to form molecule because they tend to
In lab, buffers solution based onto a 0.1 M solution of sodium phosphate at pH7.0. Within this system, there are three of pK A s like: 12.7, 7.21 and 2.12. Determine the conce
preventive measures of priming and foaming
The electrochemical cell contains two half cells. The electrodes in these cells have different electrode potentials. When the circuit is completed the loss of electrons occurs at t
Compounds and IUPAC names
Q. Discuss the EDTA method of determining hardness of water. OR What is hardness of Water? How it is determined by EDTA
Write the structures of monomers used in the preparation of: a. Teflon b. PMMA
Borosilicate glass: in this boric anhydride is used in place of lime. This glass generally contains 75-81% silica, 10-13.5% B 2 O 3 , 4.5-6% Na 2 O and 2-5% Al 2 O 3 . Sometimes Z
how to calculate pH value?
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