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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.
preparation of alkenes
Critical Angle: The particular angle of incidence at which angle of refraction becomes 90 is known as critical Angle and it is denoted by θc
what is dipole moment?
Product Optimization Sensory analysis during this phase of product development is critical and includes extensive evaluation with many kinds of tests, each playing a specific
surface tension assingnment with diagram
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what is the use of d-block elements
The Basicity is 3 as there are 3 H atoms that can be displaced from compound.
electrophilic substitution in phenol takes place
The value of Planck's constant is 6.63x 10 -34 Js. The velocity of light is 3.0x 10 8 ms -1 . Which value is closest to the wavelength in nanometres of a quantum of light with
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