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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 a
Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
Higher fatty acids - Carboxylic acids Stearic, Palmitic, and oleic acids are found in natural fats and oils like glyceryl esters. Higher fatty acids derived their names from
In Heisenberg's uncertainty equation Δ x ×Δ p ≥ h/ 4 Π ; stands for: (1) Uncertainty in energy (2) Uncertainty in velocity (3) Uncertainty in momentum (4) Uncert
Physical properties of Tri-halides (i) Tri-halides is a sweet smelling colourless liquid. (ii) Tri-halides is heavy liquid. The density of it is 1.485. It boils at 61°C.
Q. Explain Preservation by Preservatives? Preservatives, as you may already know, belong to a class of food additives that extend shelf life by inhibiting microbial growth, o
what are the topics should i write for my assignment on mechanism of polymerization
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
Refining of petroleum: Petroleum (crude) extracted from earth's crust is an intimate mixture of many organic compounds. Crude petroleum needs to be purified and its components
Q. What is alpha radiation? Types of radiation there are three principal types of radiation are given off during radioactive decay. One kind is alpha radiation (α-radiation)
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