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A polymer instance has chain of different type of lengths and hence its molecular mass is all the time expressed as an average on the other hand natural polymer like proteins consist of chain of similar length and therefore they have specific molecular mass.
The atomic volume of a polymer can be illustrated in two ways.
(a) Number average molecular mass (M¯N)
(b) Weight average molecular mass (M¯W)
The maximum number of unpaired electron can be present in d orbitals are: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
What is vulcanization The process of vulcanization was discovered by Charles Good Year in 1839. He found that when natural rubber is heated with sulphur, its tensile strength,
factors affecting TGA
Its Tetrahedral ( 4 sigma bonds )
Describe the following observations: a. Lyophilic colloid is more stable than Lyophobic colloid. b. Coagulation takes place when sodium chloride solution is added to a collo
Physical Properties of Malonic Acid (a) Malonic Acid is a white crystalline solid. (b) Malonic Acid's melting point is 135°C. (c) Malonic Acid is soluble in water and alc
the structure of a periodic table
Explain about the Impact extrusion Blank is placed over the die and pressed by punch. Metal is squirted upward round the punch. Thickness of the part is fixed by the gap bet
HOW UNIT CELL AND SPACE LATTICE ARE RELATED TO EACH OTHER?
SOME SILVER MINES DUMP SHREDDED IRON CANS INTO PONDS CONTAING DISSOLVED SILVER SALTS. WRITE THE TWO HALF REDOX REACTIONS AND THE OVERALL BALANCED REACTION THAT EXPLAINS THE DEPOSIT
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