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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. A sample of water analysis was found to contain temporary magnesium hardness 25 mg/L. Permanent magnesium chloride hardness 15 mg/L and permanent calcium sulphate hardness 20
Every substance poses exact amount of energy known as internal energy or intrinsic energy (E).
i) Define a membrane in a process engineering context. Two of the main desired attributes of membranes are high permeability and high selectivity. Define permeability and select
advantages and disadvantages of coulometer
Uses of Benzoic Acid - carboxylic acids (i) Benzoic acid is used in medicine in the form of its salts particularly as urinary antiseptic. (ii) Benzoic acid is used as sodium
The elements of first transition series from variety of oxides of different oxidation states having general formulae MO, M 2 O 3 , M 3 O 6 , MO 2 , MO 3 . These oxides are gene
Q. Evolution of the Modern Atomic Model? Ans: The atomic models of Dalton, Thomson, Rutherford, and Bohr eventually evolved into the current-day Quantum Mechanical model of the
What is Standard deviation? Standard deviation tells about the widely spread out of the measured analytical data points. Highly precised measurements are less standard deviation.
how to express nernst equation by daniel cell? as we have taken mass of subsstance insted of concentration
How to know which compound is more stable if heat of formation values are given . Ans) Every compound tend to stay in lowest energy possible to be more stable, the less the energy
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