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Q. What is chlorophyll?
A magnesium complex of porphyrin is called chlotophyll. the green colouring material in plants and which is essential for photosynthesis.
Hemoglobin, plays the role of oxygen carrier in mammalian blood. In hemoglobin Fe2+ ion is not only surrounded by four nitrogens of porphyrin but the fifth position is occupied by nitrogen of the protein as shown in Fig.
Ethylbenzene Ethylbenzene has a three-proton triplet and, at somewhat greater chemical shift, in the benzylic proton region, a two-proton quartet. p-Xylene has a six-proton si
what is the definition of migration current?
Q. Show the diffrent kind of matter? Liquid matter has a specific volume like a solid but flows and takes the shape of its container. A liquid is incompressible for the reaso
Crystals and glasses Unlike a complex ion or molecule, which is a finite (often small) assembly of atoms, a solid has no fixed shape and size but can add atoms indefinit
Completeness of a harmitian operator
Uses of Citric Acid It finds make use in making lemonades, like an acidulant in food and soft drinks and makes the lemon sour, like a mordant in dyeing and calico printing. Fer
Nuclei contain uncharged neutrons and positively charged protons; these two particles with about the same mass are known as nucleons. The number of protons is the atomic number of
The phosphate of a metal has the formula MPO4 .The formula of its nitrate will be: (1) MNO 3 (2) M 2 (NO 3 ) 2
primary and secondary cells
oxo process - Hydrocabon It is as well known as carbonylation or hydroformylation reaction. A group of alkene carbon monoxides and hydrogen. Elevated temperature and under pres
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