Polymerisation process in which two or more monomers of chemically different nature take part is called (A) Copolymerisation (B) Addition polymerisation (C) Chain polymerisation (D) None of these

Polymerisation process in which two or more monomers of chemically
different nature take part is called
(A) Copolymerisation
(B) Addition polymerisation
(C) Chain polymerisation
(D) None of these
by

1 Answer

Answer :

(A) Copolymerisation
by

Related questions

Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is (A) Nylon-66 (B) Teflon (C) Polyester (D) Bakelite

Description : Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is (A) Nylon-66 (B) Teflon (C) Polyester (D) Bakelite

Last Answer : (B) Teflon

In condensation polymerisation as compared to addition polymerisation (A) The monomers are unsaturated compounds (B) No co-product is lost (C) The monomers contain two functional groups (D) Generally only one monomer is involved

Description : In condensation polymerisation as compared to addition polymerisation (A) The monomers are unsaturated compounds (B) No co-product is lost (C) The monomers contain two functional groups (D) Generally only one monomer is involved

Last Answer : (C) The monomers contain two functional groups

SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at (A) 1: 3 (B) 3 : 1 (C) 1 : 2 (D) 2 : 1

Description : SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at (A) 1: 3 (B) 3 : 1 (C) 1 : 2 (D) 2 : 1

Last Answer : (A) 1: 3

Polymerisation of poly functional monomers produces polymers having (A) Good mechanical strength (B) Low viscosity (C) Low melting point (D) None of these

Description : Polymerisation of poly functional monomers produces polymers having (A) Good mechanical strength (B) Low viscosity (C) Low melting point (D) None of these

Last Answer : (A) Good mechanical strength

Pick out the wrong statement. (A) Addition polymers are generally formed by chain growth polymerisation (B) Condensation polymers are generally formed by step growth polymerisation (C) Teflon is formed by step growth polymerisation (D) Bakelite is formed by step growth polymerisation

Description : Pick out the wrong statement. (A) Addition polymers are generally formed by chain growth polymerisation (B) Condensation polymers are generally formed by step growth polymerisation (C) Teflon is formed by step growth polymerisation (D) Bakelite is formed by step growth polymerisation

Last Answer : C) Teflon is formed by step growth polymerisation

Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation(A) PVC(B) Bakelite(C) PTFE(D) Epoxy resin

Description : Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation (A) PVC (B) Bakelite (C) PTFE (D) Epoxy resin

Last Answer : (A) PVC

Pick out the wrong statement. (A) Linear polymers are formed from bifunctional groups only and are normally thermoplastic (B) Cross-linked branched chain polymers are either elastometric or thermosetting (C) Branching in case of cross-linked polymers caused by small amount of impurities in bifunctional monomer formulation reduces its solubility and increases the softening point (D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

Description : Pick out the wrong statement. (A) Linear polymers are formed from bifunctional groups only and are normally thermoplastic (B) Cross-linked branched chain polymers are either elastometric or ... (D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

Last Answer : D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of (A) Siloxane elastomers (B) Polyamides (C) Vinyl polymers (D) Urea-formaldehyde resins

Description : A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved ... Siloxane elastomers (B) Polyamides (C) Vinyl polymers (D) Urea-formaldehyde resins

Last Answer : (D) Urea-formaldehyde resins

Differentiate between addition and condensation polymerisation process with suitable examples.

Description : Differentiate between addition and condensation polymerisation process with suitable examples.

Last Answer : Addition polymerization  Condensation polymerization 1)the polymerization reaction involves the joining of unsaturated monomers by breaking of bonds in a chain like manner without loss of any by ... thermosetting polymers Example: pvc(poly vinyl chloride) Example: formaldehyde

__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. (A) Fibrous (B) Leathery (C) Rubbery (D) Hard

Description : __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. (A) Fibrous (B) Leathery (C) Rubbery (D) Hard

Last Answer : (B) Leathery

Thermosetting resins/polymers as compared to thermoplastic ones are (A) Soluble in all organic solvents (B) More brittle (C) Formed by addition polymerisation only (D) Easily reshaped & reused

Description : Thermosetting resins/polymers as compared to thermoplastic ones are (A) Soluble in all organic solvents (B) More brittle (C) Formed by addition polymerisation only (D) Easily reshaped & reused

Last Answer : (B) More brittle

Phenol formaldehyde (A) Employs addition polymerisation (B) Employs condensation polymerisation (C) Is a monomer

Description : Phenol formaldehyde (A) Employs addition polymerisation (B) Employs condensation polymerisation (C) Is a monomer

Last Answer : (B) Employs condensation polymerisation

Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

Description : Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

Last Answer : (A) Polymeric fibres are never produced by addition polymerisation

Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by __________, which decompose to give free radicals. (A) Organic peroxides (B) Sulphuric acid (C) Hydrofluoric acid (D) None of these

Description : Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by __________, which decompose to give free radicals. (A) Organic peroxides (B) Sulphuric acid (C) Hydrofluoric acid (D) None of these

Last Answer : (A) Organic peroxides

Thermosetting polymers as compared to thermoplastic polymers (A) Are formed by addition polymerisation (B) Have three dimensional structure (C) Have linear structure (D) None of these

Description : Thermosetting polymers as compared to thermoplastic polymers (A) Are formed by addition polymerisation (B) Have three dimensional structure (C) Have linear structure (D) None of these

Last Answer : (B) Have three dimensional structure

Polythene is a/an (A) Addition polymerisation product (B) Condensation polymerisation product (C) Thermosetting material (D) None of these

Description : Polythene is a/an (A) Addition polymerisation product (B) Condensation polymerisation product (C) Thermosetting material (D) None of these

Last Answer : (A) Addition polymerisation product

Addition polymerisation is not involved in the manufacture of (A) Low density polythene (B) Poly vinyl chloride (C) Polystyrene (D) Polyhexamethylene adipamide

Description : Addition polymerisation is not involved in the manufacture of (A) Low density polythene (B) Poly vinyl chloride (C) Polystyrene (D) Polyhexamethylene adipamide

Last Answer : (D) Polyhexamethylene adipamide

Which of the following is produced by addition polymerisation? (A) Polybutadiene (B) Phenol formaldehyde (C) Urea-formaldehyde (D) Dacron

Description : Which of the following is produced by addition polymerisation? (A) Polybutadiene (B) Phenol formaldehyde (C) Urea-formaldehyde (D) Dacron

Last Answer : (A) Polybutadiene

Polythene is a/an __________ polymerisation product. (A) Addition (B) Condensation (C) Thermosetting (D) None of these

Description : Polythene is a/an __________ polymerisation product. (A) Addition (B) Condensation (C) Thermosetting (D) None of these

Last Answer : (A) Addition

Phenol formaldehyde (A) Employs addition polymerisation (B) Employs condensation polymerisation (C) Is a monomer (D) Is an abrasive material

Description : Phenol formaldehyde (A) Employs addition polymerisation (B) Employs condensation polymerisation (C) Is a monomer (D) Is an abrasive material

Last Answer : (B) Employs condensation polymerisation

Buna-S is obtained by the copolymerisation of butadiene and:

Description : Buna-S is obtained by the copolymerisation of butadiene and:

Last Answer : Buna-S is obtained by the copolymerisation of butadiene and: A. Chloroprene B. styrene C. acrylonitrile D. adipic acid

Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide (C) Ordinary glass is represented chemically by Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

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Last Answer : (D) Red color is imparted to glass by addition of arsenic oxide

lass Ionomer Cement sets because of,** A. Acid-Base reaction B. Addition polymerisation reaction C. Growth of glass crystals D. Slip plane locking E. Solvent evaporation

Description : lass Ionomer Cement sets because of,** A. Acid-Base reaction B. Addition polymerisation reaction C. Growth of glass crystals D. Slip plane locking E. Solvent evaporation

Last Answer : A. Acid-Base reaction

Pick out the correct statement. (A) Plastics are good conductors of heat and electricity (B) All the polymers are highly crystalline in nature (C) Polymers can be vaporised by heating to a very high temperature (D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation

Description : Pick out the correct statement. (A) Plastics are good conductors of heat and electricity (B) All the polymers are highly crystalline in nature (C) Polymers can be vaporised by heating to ... D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation

Last Answer : (D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation

In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? (A) PTFE (B) Buna-S (C) PMMA (D) Polycaprolactam

Description : In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? (A) PTFE (B) Buna-S (C) PMMA (D) Polycaprolactam

Last Answer : (B) Buna-S

Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of red phosphorous is due to its polymeric structure (C) Red phosphorous is the most reactive allotropic form of phosphorous (D) Red phosphorous, which is used in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Description : Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of ... in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Last Answer : (C) Red phosphorous is the most reactive allotropic form of phosphorous

$ The process of formation of polysaccharides by condensation of monomers is called hydrolysis. Glycogen is a stored food materials found in plants.

Description : $ The process of formation of polysaccharides by condensation of monomers is called hydrolysis. Glycogen is a stored food materials found in plants.

Last Answer : $ The process of formation of polysaccharides by condensation of monomers is called hydrolysis. Glycogen is a ... D. If both As and R are wrong.

The process by which polymers and plas- tics made from monomers?

Description : The process by which polymers and plas- tics made from monomers?

Last Answer : Polymerisation

Chemically, fats are esters of long carbon-chain acids and which of the following: w) ethanol x) glycerol y) ethylene glycol z) sodium hydroxide

Description : Chemically, fats are esters of long carbon-chain acids and which of the following: w) ethanol x) glycerol y) ethylene glycol z) sodium hydroxide

Last Answer : ANSWER: X -- GLYCEROL

What Synthetic rubber has different monomers than natural rubber.?

Description : What Synthetic rubber has different monomers than natural rubber.?

Last Answer : synthetic rubber has different monomers than natural rubber.

Which of the following is not a polymer of two monomers? (A) Teflon (B) Bakelite (C) SBR (D) None of these

Description : Which of the following is not a polymer of two monomers? (A) Teflon (B) Bakelite (C) SBR (D) None of these

Last Answer : (A) Teflon

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

Description : 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

Last Answer : (A) 7 kgf/cm2 and 70 °C

Low pressure Zeigler process of polythene manufacture (A) Employs a pressure of 30 kgf/cm2 (B) Achieves an yield of 95-98% based on ethylene (C) Produces very low density polythene (D) Does not use any catalyst for polymerisation

Description : Low pressure Zeigler process of polythene manufacture (A) Employs a pressure of 30 kgf/cm2 (B) Achieves an yield of 95-98% based on ethylene (C) Produces very low density polythene (D) Does not use any catalyst for polymerisation

Last Answer : (B) Achieves an yield of 95-98% based on ethylene

Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Description : Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Last Answer : (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive

The biochemical treatment applied to sewage effluents is a process of (A) Dehydration (B) Reduction (C) Oxidation (D) Polymerisation

Description : The biochemical treatment applied to sewage effluents is a process of (A) Dehydration (B) Reduction (C) Oxidation (D) Polymerisation

Last Answer : (C) Oxidation

$ Progenote is considered to be the more ancient form of life which gave rise to archaeobacteria and eubacteria. ! Monomers are always multicellular.

Description : $ Progenote is considered to be the more ancient form of life which gave rise to archaeobacteria and eubacteria. ! Monomers are always multicellular.

Last Answer : $ Progenote is considered to be the more ancient form of life which gave rise to archaeobacteria and eubacteria ... D. If both As and R are wrong.

What are the base monomers of the DNA polymer called?

Description : What are the base monomers of the DNA polymer called?

Last Answer : Need answer

In your body proteins are polymers assembled from monomers called what?

Description : In your body proteins are polymers assembled from monomers called what?

Last Answer : Need answer

What monomers are called nucleotides?

Description : What monomers are called nucleotides?

Last Answer : our genes code for this type of macromolecule?

Pick up the correct statement from the following: (A) The substance which consists of one primary chemical, is known as monomer (B) The polymer consists of thousands of monomers joined together (C) The polymer molecule is called macro-molecule (D) All the above

Description : Pick up the correct statement from the following: (A) The substance which consists of one primary chemical, is known as monomer (B) The polymer consists of thousands of monomers joined together (C) The polymer molecule is called macro-molecule (D) All the above

Last Answer : Answer: Option D

The monomers from which proteins are built are called

Description : The monomers from which proteins are built are called 

Last Answer : ANSWER: AMINO ACIDS

Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4 )6 (F, Cl, OH) (C) Urea is more hygroscopic than ammonium nitrate (D) Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo

Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo

Last Answer : (C) Urea is more hygroscopic than ammonium nitrate

Write the names of two natural polymers and what are the names of their monomers ?

Description : Write the names of two natural polymers and what are the names of their monomers ?

Last Answer : Two natural polymers are called cellulose and protein. Cellulose monomers are called glucose and protein monomers are called amino acids.

What two monomers makes up disaccharide?

Description : What two monomers makes up disaccharide?

Last Answer : Need answer

which is the correct sequence of events in the origin of life: I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic

Description : which is the correct sequence of events in the origin of life: I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic

Last Answer : which is the correct sequence of events in the origin of life: I. Formation of protobionts II. Synthesis of organic ... II, III, IV D. I, III, II, IV

$ Agar-agar is a carbohydrate obtained from some sea weeds. ! Agar agar is a polysaccharides formed of many galactose monomers.

Description : $ Agar-agar is a carbohydrate obtained from some sea weeds. ! Agar agar is a polysaccharides formed of many galactose monomers.

Last Answer : $ Agar-agar is a carbohydrate obtained from some sea weeds. ! Agar agar is a polysaccharides formed of many ... wrong D. If both As and R are wrong.

Which of the following polymer does not contain 1,3-butadiene as one of the monomers?

Description : Which of the following polymer does not contain 1,3-butadiene as one of the monomers?

Last Answer : Which of the following polymer does not contain 1,3-butadiene as one of the monomers? A. Butyl rubber B. Nitrile rubber C. ABS rubber D. SBR

What category is common sugars like fructose and lactose found in monomers?

Description : What category is common sugars like fructose and lactose found in monomers?

Last Answer : Sugars that are monomers are called monosaccharides, which are singe (simple) sugars like glucose, fructose, and galactose. However, lactose is a disaccharide (double sugar) composed of galactose and glucose bonded together.

What happens to monomers when they undergobdehydration synthesis?

Description : What happens to monomers when they undergobdehydration synthesis?

Last Answer : What is the answer ?

when monomers are joined together what do they form?

Description : when monomers are joined together what do they form?

Last Answer : polymers