Are All Conductive Polymers, Conjugated Polymer?

Are All Conductive Polymers, Conjugated Polymer?
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Define the terms: i) Photo conductive polymers ii) Liquid crystal polymers

Description : Define the terms: i) Photo conductive polymers ii) Liquid crystal polymers 

Last Answer : i) Photo conductive polymers: These are the polymers which conduct electricity only in the presence of light.  ii) Liquid crystal polymers: These are a class of aromatic polyester polymers. These polymers have tendency to align their chains parallel over a long distance from their melt or solution.

Define photo conductive polymer. Give its examples and applications.

Description : Define photo conductive polymer. Give its examples and applications.

Last Answer : Photo conductive polymer: These are the polymers which conduct electricity only in the presence of light. Examples: i) PVK or poly(N-vinyl carbazole ) ii) Poly (vinylpyrene),iii) poly(2- ... resistors are often used include camera light meters, street lights, clock radios and infrared detectors.  

What is elasticity in polymers generally related to amount of hydrogen bonding between different subunits number of subunits in the polymer chain its greater tensile strength the synthetic composure?

Description : What is elasticity in polymers generally related to amount of hydrogen bonding between different subunits number of subunits in the polymer chain its greater tensile strength the synthetic composure?

Last Answer : amount of hydrogen bonding between different subunitsnumber of subunits in the polymer chainits greater tensile strengththe synthetic composure

Pick out the wrong statement. (A) Polymers made of only one monomer is called homopolymer (B) Polymers made of more than one monomer is called copolymer or mixed polymer (C) Vulcanised rubber is more elastic than natural rubber

Description : Pick out the wrong statement. (A) Polymers made of only one monomer is called homopolymer (B) Polymers made of more than one monomer is called copolymer or mixed polymer (C) Vulcanised rubber is more elastic than natural rubber

Last Answer : (A) Polymers made of only one monomer is called homopolyme

In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste

Description : In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste

Last Answer : (D) Saturated polyeste

. In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness

Description : . In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher (A) Densities (B) Melting point (C) Tensile strength (D) Hardness, rigidity & brittleness

Last Answer : (D) Hardness, rigidity & brittleness

Melt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. (A) Acrylic (B) Polyester (C) Nylon 6:6 (D) Polypropylene

Description : Melt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter ... the __________ fibres. (A) Acrylic (B) Polyester (C) Nylon 6:6 (D) Polypropylene

Last Answer : (A) Acrylic

Which of the following polymers does not belong to the class of Polyacrylate polymer? (A) PMMA(B) Polyacrylonitrile(C) Poly Ethyl acrylate(D) None of these

Description : Which of the following polymers does not belong to the class of Polyacrylate polymer? (A) PMMA (B) Polyacrylonitrile (C) Poly Ethyl acrylate (D) None of these

Last Answer : (D) None of these

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

Pick out the wrong statement regarding the solubility characteristics of high polymers. (A) Greater the degree of cross-linking in the polymer, lesser is its solubility (B) Polymers having more aliphatic character are more soluble in aliphatic solvents, while those polymers having more aromatic character are more soluble in aromatic solvents (C) Swelling tendency or solubility of polymers in a particular solvent decreases with increase in molecular weight of the solvent (D) High molecular weight polymers on dissolving gives solution of very low viscosity

Description : Pick out the wrong statement regarding the solubility characteristics of high polymers. (A) Greater the degree of cross-linking in the polymer, lesser is its solubility (B) Polymers having more ... of the solvent (D) High molecular weight polymers on dissolving gives solution of very low viscosity

Last Answer : (D) High molecular weight polymers on dissolving gives solution of very low viscosity

In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Description : In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament ... is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Last Answer : (B) PVC

Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Last Answer : (C) Elastometric

Classify the polymers as addition and condensation polymer— Nylon 6, Neoprene and PVC.

Description : Classify the polymers as addition and condensation polymer— Nylon 6, Neoprene and PVC.

Last Answer : Ans: Nylon 6 —Condensation polymer  Neoprene and PVC— Addition polymer.

What is the advantage of synthetic polymer over glass? OR Why is glass being replaced by synthetic polymers?

Description : What is the advantage of synthetic polymer over glass? OR Why is glass being replaced by synthetic polymers?

Last Answer : Glass is being replaced by light and transparent synthetic polymers like poly methyl metacrylate polymers. The advantages of polymers are that they are unbreakable, light and scratches on polymers can be removed by wiping with acetone.

Pick out the correct combination about the role of various additives used in polymers. (A) Plasticiser: increases the polymer strength (B) Heat stabiliser: increases the maximum service temperature (C) Fillers: Does not affect the property of polymer but increases its weight (D) Lubricants: increases the flexibility of polymers

Description : Pick out the correct combination about the role of various additives used in polymers. (A) Plasticiser: increases the polymer strength (B) Heat stabiliser: increases the maximum service ... property of polymer but increases its weight (D) Lubricants: increases the flexibility of polymers

Last Answer : Option C

$ In conjugated proteins, the protein molecule is joined to a non proteins group called prosthetic group. ! Nucleproteins are a type of conjugated pro

Description : $ In conjugated proteins, the protein molecule is joined to a non proteins group called prosthetic group. ! Nucleproteins are a type of conjugated pro

Last Answer : $ In conjugated proteins, the protein molecule is joined to a non proteins group called prosthetic group. ! ... wrong D. If both As and R are wrong.

The corret order of increasing basicity of the given conjugated bases `(R=CH_(3))` is :

Description : The corret order of increasing basicity of the given conjugated bases `(R=CH_(3))` is :

Last Answer : The corret order of increasing basicity of the given conjugated bases `(R=CH_(3))` is : A. `RCOO^(-)ltHC-=C^(- ... ^(-)ltNH_(2)^(-)ltHC-=C^(-)ltR^(-)`

What is a conjugated acid based pair?

Description : What is a conjugated acid based pair?

Last Answer : A conjugate acid is formed when a base gains a positive hydrogenIon (H+), and thus, having the ability to lose this ion becomes aweak acid. The opposite is true when forming a conjugate base, anacid loses a H+ ion and therefore is a base, as it is able to stealions.

Excretion of conjugated bilirubin from liver cells into biliary canaliculi is defective in (A) Gilbert’s disease (B) Crigler-Najjar syndrome (C) Lucey-Driscoll syndrome (D) Rotor’s syndrome

Description : Excretion of conjugated bilirubin from liver cells into biliary canaliculi is defective in (A) Gilbert’s disease (B) Crigler-Najjar syndrome (C) Lucey-Driscoll syndrome (D) Rotor’s syndrome

Last Answer : Answer : D

All the following statements about obstructive jaundice are true except (A) Conjugated bilirubin in serum is normal (B) Total bilirubin in serum is raised (C) Bile salts are present in urine (D) Serum alkaline phosphatase is raised

Description : All the following statements about obstructive jaundice are true except (A) Conjugated bilirubin in serum is normal (B) Total bilirubin in serum is raised (C) Bile salts are present in urine (D) Serum alkaline phosphatase is raised

Last Answer : Answer : A

A mixture of conjugated and unconjugated bilirubin is found in the circulation in (A) Hemolytic jaundice (B) Hepatic jaundice (C) Obstructive jaundice (D) Post hepatic jaundice

Description : A mixture of conjugated and unconjugated bilirubin is found in the circulation in (A) Hemolytic jaundice (B) Hepatic jaundice (C) Obstructive jaundice (D) Post hepatic jaundice

Last Answer : Answer : B

One of the causes of hemolytic jaundice is (A) G-6 phosphatase deficiency (B) Increased conjugated bilirubin (C) Glucokinase deficiency (D) Phosphoglucomutase deficiency

Description : One of the causes of hemolytic jaundice is (A) G-6 phosphatase deficiency (B) Increased conjugated bilirubin (C) Glucokinase deficiency (D) Phosphoglucomutase deficiency

Last Answer : Answer : A

The normal range of direct reacting (conjugated) serum bilirubin is (A) 0–0.1 mg/100 ml (B) 0.1–0.4 mg/100 ml (C) 0.4–06 mg/100 ml (D) 0.5–1 mg/100 ml

Description : The normal range of direct reacting (conjugated) serum bilirubin is (A) 0–0.1 mg/100 ml (B) 0.1–0.4 mg/100 ml (C) 0.4–06 mg/100 ml (D) 0.5–1 mg/100 ml

Last Answer : Answer : B

All following are conjugated proteins except (A) Nucleoproteins (B) Proteoses (C) Metalloproteins (D) Flavoproteins

Description : All following are conjugated proteins except (A) Nucleoproteins (B) Proteoses (C) Metalloproteins (D) Flavoproteins

Last Answer : Answer : B

A conjugated protein present in the egg yolk is (A) Vitellin (B) Livetin (C) Albuminoids (D) Ovo-mucoid

Description : A conjugated protein present in the egg yolk is (A) Vitellin (B) Livetin (C) Albuminoids (D) Ovo-mucoid

Last Answer : Answer : A

Which of the following is true of Gilbert's syndrome? 1) inheritance is autosomal recessive 2) serum conjugated bilirubin levels are elevated 3) serum bilirubin levels are decreased by fasting 4) serum bilirubin levels are decreased by liver enzyme inducers 5) there is bilirubinuria

Description : Which of the following is true of Gilbert's syndrome? 1) inheritance is autosomal recessive 2) serum conjugated bilirubin levels are elevated 3) serum bilirubin levels are decreased by fasting 4) serum bilirubin levels are decreased by liver enzyme inducers 5) there is bilirubinuria

Last Answer : Answers-4 Gilbert's syndrome is inherited in autosomal dominant fashion and affects 2-5% of the population. UDP glucuronyl transferase levels are reduced leading to an unconjugated hyperbilirubinaemia. ... the bilirubin is reabsorbed in the proximal tubule some bilirubin is detectable in the urine.

Which of the following is an example of conjugated protein? (1) Albumin (2) Globulin (3) Glutelin (4) Glycoprotein

Description : Which of the following is an example of conjugated protein? (1) Albumin (2) Globulin (3) Glutelin (4) Glycoprotein

Last Answer : (4) Glycoprotein Explanation: A conjugated protein is a protein that functions in interaction with other (nonpolypeptide) chemical groups attached by covalent bonding or weak interactions.

How are conjugated group subclassified?

Description : How are conjugated group subclassified?

Last Answer : Glycoproteins, lipoproteins, nucleoproteins, chro- moproteins, phospho-proteins and metallo-pro- teins.

What are conjugated proteins?

Description : What are conjugated proteins?

Last Answer : Combinations of protein with a non-protein part is called prosthetic group.

Markedly increased concentration responsible for kernicterus in hemolytic disease of the newborn. A A. Unconjugated bilirubin B. Conjugated bilirubin C. Both D. None of these

Description : Markedly increased concentration responsible for kernicterus in hemolytic disease of the newborn. A A. Unconjugated bilirubin B. Conjugated bilirubin C. Both D. None of these

Last Answer : Unconjugated bilirubin

Serum concentration is increased when destruction of erythrocytes is increased A A. Unconjugated bilirubin B. Conjugated bilirubin C. Both D. None of these

Description : Serum concentration is increased when destruction of erythrocytes is increased A A. Unconjugated bilirubin B. Conjugated bilirubin C. Both D. None of these

Last Answer : Unconjugated bilirubin

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these (a) help in regulating metabolism (b) are exclusively synthesized in the body of a living organism as at present (c) are conjugated proteins (d) enhance oxidative metabolism.

Description : Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these (a) help in regulating metabolism (b) are exclusively synthesized in the body of a living organism as at present (c) are conjugated proteins (d) enhance oxidative metabolism.

Last Answer : (a) help in regulating metabolism

The newest and safest vaccines under development are _____. a. attenuated vaccines b. toxoid vaccines c. DNA vaccines d. conjugated vaccines

Description : The newest and safest vaccines under development are _____. a. attenuated vaccines b. toxoid vaccines c. DNA vaccines d. conjugated vaccines

Last Answer : c. DNA vaccines

Which of the following statements is not true about fatty acids? (a) Fatty acids are carboxylic acids with long hydrocarbon side chains. (b) The double bonds in unsaturated fatty acids are always conjugated. (c) Most naturally occurring fatty acids contain even numbers of carbons and are unbranched. (d) Fatty acids can be saturated or unsaturated

Description : Which of the following statements is not true about fatty acids? (a) Fatty acids are carboxylic acids with long hydrocarbon side chains. (b) The double bonds in unsaturated fatty acids are always ... contain even numbers of carbons and are unbranched. (d) Fatty acids can be saturated or unsaturated

Last Answer : The double bonds in unsaturated fatty acids are always conjugated

What descriptive term is applied to the type of diene represented by 2,4- hexadiene? (a) conjugated diene (b) cumulated diene (c) isolated diene (d) alkynyl diene

Description : What descriptive term is applied to the type of diene represented by 2,4- hexadiene? (a) conjugated diene (b) cumulated diene (c) isolated diene (d) alkynyl diene

Last Answer : conjugated diene

What descriptive term is applied to the type of diene represented by 1,5- octadiene? (a) conjugated diene (b) cumulated diene (c) isolated diene (d) alkynyl diene

Description : What descriptive term is applied to the type of diene represented by 1,5- octadiene? (a) conjugated diene (b) cumulated diene (c) isolated diene (d) alkynyl diene

Last Answer : isolated diene

Propadiene, CH2=C=CH2, is (a) a planar compound (b) a cumulated diene (c) an isolated diene (d) a conjugated diene

Description : Propadiene, CH2=C=CH2, is (a) a planar compound (b) a cumulated diene (c) an isolated diene (d) a conjugated diene

Last Answer : a cumulated diene

The estrogen commonly used for hormone replacement therapy in menopausal women is: A. Ethinylestradiol B. Estradiol benzoate C. Diethylstilbestrol D. Conjugated estrogens

Description : The estrogen commonly used for hormone replacement therapy in menopausal women is: A. Ethinylestradiol B. Estradiol benzoate C. Diethylstilbestrol D. Conjugated estrogens

Last Answer : D. Conjugated estrogen

In biological studies which of the following is used to refer to the oxygen-binding, iron-containing, conjugated protein complex present in the sarcoplasm of muscle cells? a) myelin b) myosin c) myoglobin d) none of these

Description : In biological studies which of the following is used to refer to the oxygen-binding, iron-containing, conjugated protein complex present in the sarcoplasm of muscle cells? a) myelin b) myosin c) myoglobin d) none of these

Last Answer : ANSWER: C -- MYOGLOBIN

Are lip studs (and other body jewelry) electro-conductive?

Description : Are lip studs (and other body jewelry) electro-conductive?

Last Answer : Normally, studs and the like are of silver or gold which are excellent electrical conductors.

The conductive qualities of water will allow electrical current to travel through it. But, is there a point where there is too much water for the electricity to administer a fatal or severe shock?

Description : The conductive qualities of water will allow electrical current to travel through it. But, is there a point where there is too much water for the electricity to administer a fatal or severe shock?

Last Answer : Electricity always follows the path of least resistance, so, no, the current is not “diluted.” A fatal shock can only occur if the current flows through the heart.

How do magnetic fields around connected conductive materials take shape?

Description : How do magnetic fields around connected conductive materials take shape?

Last Answer : I think that while the current supplied by the wire is flowing through the metal balls they will generate a magnetic field in the same way a field surrounds a wire with electricity flowing through it. ... that in the same way it passes between atoms in a wire their magnetism will not repel them.

Do you think we could have a nationwide electrical grid that depends on highly conductive quantum nanowire?

Description : Do you think we could have a nationwide electrical grid that depends on highly conductive quantum nanowire?

Last Answer : I don’t know much about conductive quantum nanowire, but I have read Pattington Bear.

Is human existence in the shadow of a nanny state conductive to "Aristotelian happiness"?

Description : Is human existence in the shadow of a nanny state conductive to "Aristotelian happiness"?

Last Answer : Are you implying that we are heading toward a nanny state? Is that what’s behind this question?

What is non-conductive ?

Description : What is non-conductive ?

Last Answer : Substances through which electric current cannot flow are called insulators . Such as- glass , wood , rubber , plastic etc. non-conductive material. The electrical conductivity of non-conductive matter is very low ... radiation is very high. The relative radius of the insulator is about 10 12 Ω m .

How to make pure water electrically conductive ?

Description : How to make pure water electrically conductive ?

Last Answer : Pure water does not conduct electricity. This is because the ions required for the conduction of electricity are not found in pure water. But in pure water , water carries electricity if the ... the presence of sufficient amount of ions in pure water can be ensured, it conducts electricity.

What are the conductors of electric charge in electrically conductive metal wire ?

Description : What are the conductors of electric charge in electrically conductive metal wire ?

Last Answer : Free electrons in electrically conductive metal wires are conductors of electricity.

What are the properties of electrically conductive matter ?

Description : What are the properties of electrically conductive matter ?

Last Answer : Characteristics are 1) High electrical conductivity 2) High tensile strength 3) Must be cheap in price 4) Should not be brittle.

Why are metals called electrically conductive ?

Description : Why are metals called electrically conductive ?

Last Answer : Electrons can move freely through metals , so metals are called electrically conductive.

What electricity is used in conductive wire ?

Description : What electricity is used in conductive wire ?

Last Answer : Conductive wires are used to conduct electricity.