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Lipids
Lipids are constituents of plants and tissues that are insoluble in water although soluble in organic solvents like ether, carbon tetrachloride, chloroform, or benzene. They added a large kind of elements of varying structures like oils and fats; steroids, phospholipids and so on. Lipids are commonly prepared of oxygen, hydrogen, and carbon. Some oxygen atoms in a lipid molecule is all time small than the number of carbon molecules. Sometimes small number of nitrogen, phosphorus and sulphur as well exist. They comprise a large portion of their structure such as a hydrocarbon. Lipids offer as energy save for make use in metabolism and as a main structural material in cell membranes for regulating the activities of cell and tissues.
A number of ionic compounds e.g.Agcl , caF 2 BaSo 4 are insoluble in water. This is because: (1) Ionic compounds do not dissolve in water (2) Water has a high dielectri
amphoterism of methanol Compound A is much more basic than compound B (charge effect). By the element effect, C is much more basic than A; this follows from the fact that if we
Q. Determine the Ionization in Solutions? Ans. Ionic compounds dissolve in water because the polar water molecule pulls apart the ions of the ionic compound. This process
In naturally occuring neon, the fracional abundance of various isotopes is as follows: 20Ne =0.9051; 21Ne = 0.0027; 22Ne = 0.0922. What is the atomic mass of neon?
the structure of a periodic table
This of the following substances has giant covalent structure: (1) Iodine crystal (2) Solid co 2 (3) Silica (4) White phosphorus A
The total number of orbitals in an energy level designated by principal quantum number n is equal to: (1) 2n (2) 2n 2 (3) n
Q. Show example of electromagnetic radiation? When light associated with energy hv, such that D 0 . = hv, is passed through a solution of [Ti(H 2 0) 6 ] 3+, absorption of ligh
Shielding of proton by electrons
occurrence of p block elements
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