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Q.Illustrate the Basic structure of polymers?
Ans.
Polymers are large organic compounds made of regularly repeating units.
Plastics are made of polymers.
Polymers are also found in living things. DNA and proteins are examples of polymers.
A simple polymerization reaction is the reaction of many ethylenes to make polyethylene. Notice that the basic unit is ethylene ( -CH2-CH2- ).
Starches and cellulose are natural polymers called carbohydrates. The basic units of carbohydrates are sugars such as glucose and fructose.
Starch and cellulose are polymers of glucose. Sucrose is made of one unit of glucose and one unit of fructose:
What is piezoelectricity Piezoelectricity provides us a means of converting electrical energy to presume new geometric positions and mechanical dimensions of the substance are
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Did Nitrogen undergoes Friedel-Crafts reaction?
The energy of an electron revolving in n th Bohr's orbit of an atom is given by the expression; (1) E n = 2Π 2 me 2 z 2 /n 2 h 2 (2) E n = 2Π 2 m
IN AMMONIUM ION NITROGEN DOESNT HAVE VALENCE ELECTRONS IN ITS VALENCE ORBITAL.
What gas form by the hydrolysis of CaCN 2 ? Write down the equation of the reaction of CaCN 2 with water.
suppose n mmol of solute A in Vaq ml of aqueous solution is extracted with Vorg ml of animmiscible organic solvent. at equilibrium n1 mmol of A will remain in the aqueous layer and
Define Equilibrium with an Aqueous Phase? What are the values of C and F in systems consisting of solid AgCl in equilibrium with an aqueous phase containing H 2 O, Ag + (aq), C
Q. Explain Preservation by Preservatives? Preservatives, as you may already know, belong to a class of food additives that extend shelf life by inhibiting microbial growth, o
Uses of glycol
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