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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
Q. What is the basic structure of Alkynes? Ans. Alcohols have the general chemical formula of ROH. The R stands for the rest of the molecule and is usually an alkyl group
Hello Dear, my assignment is that I have to write ESSAY 5 pages to 6 pages in Biochemistry calss about technique. after you read the chapter ( the Chapter as attachment) you figure
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In a design of a tower, water is chilled from T wa = 65°F to T wb = 45°F. The inlet water is w a = 1000 lb/h. Calculate the amount of water that evaporates and the mass flow of
density of gas is 2.86 ltr.the gas maz be-
balance?
what are the oxides and halides of d-block elements? mention them groupwise and comment on the stability of their oxidation state.
A sample of water collected in the field had a pH of 6.8. By the time it was analyzed in the lab, the pH had decreased to 6.0. Give a possible explanation.
Q. Uses of selenium? Uses of selenium include photocopying process of xerography, decobrisation of glasses and as a catalytic agent particularly in the isomerisation of certain
The uncertainty in the position of a moving bullet of mass 10 gm is 10 -5 m . Calculate the uncertainty in its velocity: (1) 5.2 x 10 -28 / sec (
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