Polymeric Additives MCQ

Test your knowledge with important Polymeric Additives MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Polymeric Additives MCQs at Bissoy

• _________ serves as a model compound for the acid ionization behaviour of many carboxylic acid groups.
  ক

  Hydroxylic acid

  খ

  Sulphuric acid

  গ

  Acetic acid

  ঘ

  Nitric acid
• _________ reactions of secondary and primary amines are analogous where 1 or 2, respectively, of the R groups are protons.
  ক

  Acid dissociation

  খ

  Base dissociation

  গ

  Cationic association

  ঘ

  Anionic association
• Potato _________ has about 0.1 to 0.3% equivalent PO4 corresponding to a degree of substitution of 0.002 to 0.005.
  ক

  Starch

  খ

  Lignin

  গ

  Pulp

  ঘ

  Protein
• Anionic _________ usually contains about 5% polyacrylic acid groups formed by co-polymerization of acrylamide and acrylic acid monomers or by hydrolysis of P.A.M. homopolymer under conditions to convert some of the amide groups to carboxylate salts.
  ক

  Poly electrolytes

  খ

  Polyacrylamimdes

  গ

  Charge density

  ঘ

  Carboxylate
• _________ are relatively inexpensive polymers that are easily devised to high molecular weights on the order of several million (g/mol).
  ক

  Poly electrolytes

  খ

  Polyacrylamimdes

  গ

  Charge density

  ঘ

  Carboxylate
• A high charge density (above the 30% level) tends to completely unravel the normally coiled molecules in solution. What’s the criteria discussed here?
  ক

  Poly electrolytes

  খ

  Charge density

  গ

  Zwitter ion

  ঘ

  Amphoteric
• Polymers with charged groups are called _________
  ক

  Amphoteric

  খ

  Zwitter ion

  গ

  Neutral

  ঘ

  Poly electrolytes
• A molecule with only carboxylic acid is amphoteric and a zwitterion.
  ক

  True

  খ

  False
• The term _________is often utilized to mean a material containing cationic and anionic groups; strictly speaking, however, it means a material that is both acidic and basic.
  ক

  Amphoteric

  খ

  Zwitter ion

  গ

  Neutral

  ঘ

  Cationic
• Paper making polymers can be categorized as naturally occurring polymers, modified naturally occurring polymers, and synthetic polymers.
  ক

  True

  খ

  False