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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
how much glucose C6H12O6 you need to start with to prepare 4.6 times 10 to power 4 Kg of C2H5OH if the yield in the reaction is %64.5 C6H12O6+3O2= 4CO2+C2H5oh+3H2O
Account for the soft nature of rubber material
1. In water softening, which of the precipitates will settle out? 2. For particle sizes larger than 1μ in size 3. In non-ideal type II settling 4.The most usually used me
Number of electrons in -CONH 2 is: (1) 22 (2) 24 (3) 20 (4)28 Ans:24
What are biamperometric titrations?
Q. Show Milk – quality specification? Milk is a whole, clean, fresh lacteal secretion obtained by complete milking of one or more healthy milch animals. Milking is not done 1
consider the reaction: Mg(s) +2H _Mg(aq)+H2(g).Calculate the standard electrode potential.
Antimicrobials: These are the chemical substances employed to cure infections because of micro-organisms. These are as well known as microbes. Any creature that causes disease
Charectaristic of covalent bond
Why do Zr and Hf show similar properties?
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