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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 property command to water soluble vitamins permits water solubility Ans) Because of 1]OH bond between them 2] polar componets 3] Availibility of in nature
What would happened if I put sodium hydroxide instead of sodium bicarbonate into diethyl ether?
Q. Use the following information to draw a temperature-composition phase diagram for the binary system of H 2 O (A) and Na 2 SO 4 (B) at p = 1 bar, confining t to the range 20 to
schematic diagram for osvw
Hybridisation in Organic Compounds (1) The method of mixing atomic orbitals to form a set of new equivalent orbitals is known as hybridisation. There are three kinds of hybridi
Aldehydes and Ketones Carbonyl compounds are of two types, ketones and aldehydes. Both of them comprise a carbon-oxygen double bond frequently known as carbonyl group.
Liebermann's nitroso reaction While phenol is reacted with NaNO 2 and concentrated H 2 SO 4 , it provides a deep green or blue colour which changes to red on dilution with wa
Comment on the validity of the following statements, giving reasons: (a) Thermodynamically an exothermic reaction is sometimes not spontaneous. (b) The entropy of steam is mo
sources of errors in thermogravimetry
Post-harvest handling of fresh produce Fruits and vegetables because of their high moisture content are extremely susceptible to deteriorate, especially under tropical c
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