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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:
How urea is considered as organic molecule. Becuase it does not contain C-H or C-C bonds
Hydrocarbon - Aliphatic Hydrocarbon Organic compounds that made up of only carbon and hydrogen are known as hydrocarbons. Hydrocarbons mainly are two kinds (1) Aliphatic Hyd
Why can''t glucose exist as a gas? What properties make this so?
The shape of an orbital is given by the quantum number : (1) n (2) l (3) m (4) s Ans: l
The shape of P -orbital is : (1) Elliptical (2) Spherical (3) Dumb-bell (4) Complex geometrical Ans: Dumb-bell
describe the comparative study of physical and chemical properties of p block elements.
Q. Show the Occurrence of the f-block element? Apart from promethium which is unstable and is found in traces in uranium ores, all the lanthanides usually occur together. Altho
how will you test for the presence of the halogen in iodoform
Question .. #
Which of the following is always a whole number : (1) Atomic weight (2) Atomic radii (3) Equivalent weight (4) Atomic number Ans: Atomic number
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