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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:
Q. Show the techniques of preservation? The various methods can be used for preservation of foods. Some of the common methods employed to preserve foods are summarized herew
Question : (i) What is meant by Integrated Coastal Zone Management? (ii) What is its main objective? (iii) List the principal measures involved in the implementatio
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The nature of bonding in graphite is: (1) Covalent (2) Ionic (3) Metallic (4) Coordinate Ans: Covalent
difference between ion and free radicals ?
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Q. What do you mean by Dietary fibre? Dietary fibre is an imporatant ingredient in food and comprises of a diverse group of plant substances viz. celluloses, hemicelluloses, l
The ratio among the radius of cation and the radius of anion is known as Limiting radius.
IUPAC System of Naming Organic Compounds In the IUPAC (International Union of Pure and Applied Chemistry) system, the name of an organic compound contain three parts that are:
A useful model of interfacial mass transport makes three assumptions: (i) there is a difference between the concentrations of A at the interface, C A denoted C A in Phases I
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