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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.
Factor of affecting conductions
details about electronegativity
Find te emprical formula for the oxide that contains 42.05 g of nitrogen and 95.95 g of oxygen
The phosphate of a metal has the formula MHPO 4. The formula of its chloride would be: (1) MCl (2) MCl 2 (
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
Polarization in a dielectric on application of electric field is Displacement/separation of opposite charge centres.
Anomalous behaviour of boron
In a Ecell, why do you flip the value of the smaller value?
Piezoelectric effect is the production of electricity by?? Piezoelectric effect is the forming of electricity by pressure.
difference between scales and sludge
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