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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
why LiF and CsI are solibile in water but LiI and CsF are less solibility in water
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
Q. Show the d-orbital energy level splitting? Let us consider one of the consequences of the d-orbital energy level splitting. [Ti (H2o 6 ) 3+ is a d 1 system meaning that t
enthalpy of formation of acetic acid
Q. Explain about Multidentate ligand? A multidentate ligand which combines with a metal ion through two or more atoms on the ligand simultaneously is called a cheldting agent.
Q. Extraction of f-block element ? As all the lanthanides occur together in nature, their extraction involves two main steps: (i) separation from one another and (ii) reducti
Calculate energy of Rb per atom if light of wave length 5.4(10^-8)m produces electron with a speed of 2.450(10^6)
Why the current flow is always oppositte in direction to the conventional current direction? Ans) Availability of free electrons and application of potential difference are the c
General Organic Chemistry Carbon is an necessary element of organic substance; it has four electrons in its outer most shell. As per to the ground state electronic arrangeme
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
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