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Cellulose - Biomolecules
Cellulose is found in all plants and thus is the most abundant of all carbohydrates. It is the substance required to form cell walls and another structural features of the plants. Wood is approximately 50% cellulose and the rest is lignin. Paper and Cotton are basically composed of cellulose.
Pure cellulose is acquired by consecutively reacting flax, cotton or paper, wool with dilute alkali, dilute HCL or HF. This reaction alters mineral matter, water and ether. Cellulose is left behind like a white amorphous powder.
what is trasitions elements
Fe(atomic number = 26) atom has the electronic arrangement: (1) 2, 8, 8, 8 (2) 2, 8, 16 (3) 2, 8,14, 2 (4) 2, 8, 12, 4 Ans: 2, 8,14, 2
why is density of interstitial compounds less than that of parent metal ?
What is the purpose of zone refining? In a binary phase diagram (pressure omitted), what is the maximum number of phases which can coexist for at least one degree of freedom?
two containers are connected by a stopcock. gas A is at pressure 202kpa while gas B is at pressure 140kpa, what will be the resultant pressure when the stopcock is opened
Equilibrium constants A complex in general is any species build by specific association of molecules or ions by donor-acceptor interactions. In aqueous solutions the most import
Explain experimental evidence to demonstrate the existence of ferromagnetic domains. Temperature increases, thermal motion, or entropy, competes with ferromagnetic tendency for
A filled or half-filled set of p or d -orbitals is spherically symmetric. Point out the species which has spherical symmetry: (1) Na (2) C
can all the total heat content available betotally converted to work done?
Determine five chemical reactions you observe in your daily life. Observe the reaction carefully. Present the change in the condition of the reactants and products wit
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