1. Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?





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QA->കൃഷ്ണൻ അവന്റെ വീട്ടിൽനിന്നും ആദ്യം 500 മീറ്റർ വടക്കോട്ട് നടന്നു. പിന്നീട് വലത്തോട്ട് തിരിഞ്ഞ് 800 മീറ്ററും ഇടത്തോട്ട് തിരിഞ്ഞ് 800 മീറ്ററും നടന്നു. എ ങ്കിൽ പുറപ്പെട്ട സ്ഥലത്തുനിന്നും നേരെ അയാളി ലേക്കുള്ള ദൂരം എത്ര? ....
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MCQ->Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?....
MCQ->Consider the following statements associated with the laws of weights in the theory of erros : 1. If an equation is multiplied by its own weight, then the weight of the resulting equation is equal to the reciprocal of the weight of the equation. 2. The weight of the algebraic sum of two or more quantities is equal to the reciprocal of the sum of the individual weights. 3. If the quantity of a given weight is multiplied by a factor, then the weight of the result is obtained by dividing its given weight by the square root of that factor. 4. If the quantity of a given weight is divided by a factor, then the weight of the result is obtained by multiplying its given weight by the square of that factor. Of these statements :....
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