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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.
a. State two main differences among globular proteins and fibrous proteins. b. Based on their chemical composition, verify how are lipids classified? Give one example of each cl
NaCl
What is the chemical formula for hard water?
how law of crystallography helps in the study of crystal structure
Saturated and unsaturated hydrocarbons The compounds of carbon and hydrogen in which carbon atoms are linked to each other by single covalent bonds(C-C) are known as alkanes. T
Types of organic reactions It is suitable to simplify the several reactions of the a variety of classes of organic compound into four types, Substitution reactions,
the law of multiple proportion
what is chemistry
The covalent compound HCl has the ionic character as: (1) The electronegativity of hydrogen is greater than that of chlorine (2) The electronegativity of hydrogen is equal
A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175 o C. 1500 kJ must be extracted from the hou
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