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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.
State the function along with one example each of: (i) Antihistamines (ii) Antioxidants (b) What are hybrid propellants?
Q. What do you mean by Polymerisation Isomerism? This term is used to describe compounds having same empirical formula but different molecular compositions. The difference from
Chemical properties
how to draw 3D stereoisomers for a compound?
Most of the transition metal do not displace hydrogen from dilut acid. why? Ans) The activity series of transition metals is less than that of hydrogen so they can not displace h
prperties of s block elements?
What are numerous products and application of mica? Applications and products of mica: (i) Sheet mica: Mainly used in electrical equipment and applications in form of w
Q. What are the Properties of Nitrogen? Ans. Physical Properties of Nitrogen Nitrogen is a colorless, odorless and tasteless gas. It is particularly unreactive at roo
how can we calculate it?
occurrence of p block elements
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