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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.
Amongst the following covalent bonding is found in: (1) Sodium chloride (2) Magnesium chloride (3) Water (4) Brass Ans: Water
d orbital
Water treatment system among other process will contain the following and you are required to design only one of them and demonstrate strong understanding of the principles involv
Characterisation and Purification of organic compounds The study of organic compounds begins along with the characterization of the compound and the determination of its molecu
An element L has 9 protons and valency 1. Another element M has valency 3 and 5. What is the difference in the number of electrons in L and M ?
what is tyndall effecet? can you give an example
When α -particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct) : (1) Alpha particles are much heavier than ele
Give detail about criteria of purity ?
Why are the lanthanides and actinides series call the f-block
assignment of 15 pages on dienes
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