Polymers are_________________?
Polymers are_________________?
A. Micro-molecules
B. Macromolecules
C. Sub-micromolecules
D. None of these
Similar Posts
Thermoplastic resins usually____________________?
Thermoplastic resins usually____________________?A. Remain hard as long as they are hot
B. Cannot be reclaimed from waste
C. Permanent setting resins
D. Less brittle than thermosetting resinsA copolymer is formed by the combination of two or more monomer molecules
Question: A copolymer is formed by the combination of two or more monomer molecules
[A].in a chain without the elimination of water. [B].
with the elimination of small amount of water. [C].
of the same monomer by elimination of small molecules of water. [D].
none of these. Answer: Option A
Explanation:
No answer description available for this question.
Catalyst used in the production of high density polythene by low pressure Ziegler process is ____________________?
Catalyst used in the production of high density polythene by low pressure Ziegler process is ____________________?A. Aluminium triethyl activated with TiCl4
B. Platinum
C. Molybdenum
D. NickelRayon is a ____________ fibre?
Rayon is a ____________ fibre?A. Cellulosic
B. Polyamide
C. Polyester
D. Natural_____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?
_____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?A. Fibrous
B. Leathery
C. Rubbery
D. HardTypical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is__________________?
Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is__________________?A. 7 kgf/cm2 and 70 °C
B. 1000 kgf/cm2 and 100°C
C. 7 kgf/cm2 and 700°C
D. 1 kgf/cm2 (gage) and 70°C