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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
the simplest forms of physical quantities
What are the objectives of heat treatment of metals? Objectives of heat treatment- Cause relief of internal stresses developed during cold working, welding, forging, cas
How many gaseous elements are there in the s block of modern periodic table? What are they??
Viscosity: Viscosity characterizes the motion of fluids in the presence of a mechanical shear force. All fluids can flow, and the resistance they pose to such flow is called VI
Determine the rate constant from the concentration-time dependence: Time (s) [Reactant](M) 0.0 0.0451 2.0 0.0421 5.0 0.0376 9.0 0.0316 15 0.0226 Use SI units, that is, seconds fo
Polyglycolic acid (PGA) : It is acquired by the chain polymerisation of cyclic dimer of glycolic acid, OH-CH2-COOH.
why HNO3 is not used for detection of acidic radicals of 1st and 2nd group?
Cracking - Artificial process for manufacture of Petrol It is a method in which high boiling fractions containing higher hydrocarbons are heated strongly to decompose them into
dicarboylic acids fully
For a general reaction such as: The equilibrium constant is where the terms [A], [B],...strictly represent activities but are frequently approximated as co
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