How much pressure is polythene from ethylene ?

How much pressure is polythene from ethylene ?
by

1 Answer

Answer :

Ethylene is the first product to be produced at atmospheric pressure of 1200 baros.
by

Related questions

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

The polymerisation of which of the Following is used in manufacturing of polythene in industry? (1) Methane (2) Styrene (3) Acetylene (4) Ethylene

Description : The polymerisation of which of the Following is used in manufacturing of polythene in industry? (1) Methane (2) Styrene (3) Acetylene (4) Ethylene

Last Answer : (4) Ethylene Explanation: Ethylene is a rather stable molecule that polymerizes only upon contact with catalysts. The conversion is highly exothermic, that is the process releases a lot of heat. ... is the most pervasive technology, which means that metal chlorides or metal oxides are used.

Polythene is polymer of – (1) Ethylene (2) Propylene (3) Acetylene (4) Aniline

Description : Polythene is polymer of – (1) Ethylene (2) Propylene (3) Acetylene (4) Aniline

Last Answer : (1) Ethylene Explanation: The ingredient or monomer is ethylene (IUPAC name ethene). It has the formula C2H4, consisting of a pair of CH2 groups connected by a double bond. Because the catalysts are highly reactive, the ethylene must be of high purity. Typical specifications are H2SO4

Polythene is polymer of (1) Ethylene (2) Propylene (3) Acetylene (4) Aniline

Description : Polythene is polymer of (1) Ethylene (2) Propylene (3) Acetylene (4) Aniline

Last Answer : Ethylene

The polymerisation of which of the following is used in manufacturing of polythene in industry ? (1) Methane (2) Styrene (3) Acetylene (4) Ethylene

Description : The polymerisation of which of the following is used in manufacturing of polythene in industry ? (1) Methane (2) Styrene (3) Acetylene (4) Ethylene

Last Answer : Ethylene

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) Nickel

Description : 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) Nickel

Last Answer : (A) Aluminium triethyl activated with TiCl4

Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is (A) Ni (B) V2O5 (C) Fe (D) Aluminium triethyl combined with titanium tetrachloride

Description : Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is (A) Ni (B) V2O5 (C) Fe (D) Aluminium triethyl combined with titanium tetrachloride

Last Answer : (D) Aluminium triethyl combined with titanium tetrachloride

Zeigler process (A) Produces high density polythene(B) Uses no catalyst(C) Produces low density polythene(D) Employs very high pressure

Description : Zeigler process (A) Produces high density polythene (B) Uses no catalyst (C) Produces low density polythene (D) Employs very high pressure

Last Answer : (A) Produces high density polythene

Polythene Of soil With To mix How much? Day Time Takes ?

Description : polythene Of soil With To mix How much? Day Time Takes ?

Last Answer : Polythene Of soil With To mix 146,000 Day Time It takes.

A typical example of an exothermic reversible reaction conducted at high pressure in industry is (A) Dehydration of ethanol (B) Methanol synthesis (C) Reformation of methane (D) Polymerisation of ethylene

Description : A typical example of an exothermic reversible reaction conducted at high pressure in industry is (A) Dehydration of ethanol (B) Methanol synthesis (C) Reformation of methane (D) Polymerisation of ethylene

Last Answer : (A) Dehydration of ethanol

Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of (A) 4 kgf/cm2 & 500°C (B) 10 kgf/cm2 & 1000°C (C) 40 kg/cm2 & 200°C (D) 100 kgf/cm2 & 500°C

Description : Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of (A) 4 kgf/cm2 & 500°C (B) 10 kgf/cm2 & 1000°C (C) 40 kg/cm2 & 200°C (D) 100 kgf/cm2 & 500°C

Last Answer : (A) 4 kgf/cm2 & 500°C

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the (A) Steam to ethylene ratio (B) Temperature (C) Pressure (D) None of these

Description : For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the (A) Steam to ethylene ratio (B) Temperature (C) Pressure (D) None of these

Last Answer : (D) None of these

Grow old and look old or(finance allowing)have surgery and risk looking like a stretched polythene bag?

Description : Grow old and look old or(finance allowing)have surgery and risk looking like a stretched polythene bag?

Last Answer : I’m okay with aging. My mother has aged beautifully. But, at the same time, she’s a bigger woman and they say the more plump you are the healthier you look as you age aka skinny old people look like skeletons. So, I’ll probably have to gain some weight when I’m older haha.

Why it is easy to charge polythene by rubbing but not copper?

Description : Why it is easy to charge polythene by rubbing but not copper?

Last Answer : When you rub plastic, you transfer electrons from one material to the other. ... Because plastic is an insulator, the electrons cannot flow through it so they effectively get stuck there they are static

Why is polythene called impenetrable curtain ?

Description : Why is polythene called impenetrable curtain ?

Last Answer : The membrane through which the molecules of both solvent and solvent cannot move is called impermeable membrane. Both solvents and solvent molecules cannot move through polythene. That is why polythene is called impermeable screen.

How many years does polythene mix with soil ?

Description : How many years does polythene mix with soil ?

Last Answer : Polythene dissolves in the soil after four hundred years.

When is the use of polythene bags banned in Bangladesh ?

Description : When is the use of polythene bags banned in Bangladesh ?

Last Answer : The use of polythene bags was banned in Bangladesh on March 1, 2002.

What type of polythene screen ?

Last Answer : Polythene impermeable screen.

What is polythene made of ?

Last Answer : : Polythene is made from a monomer called ethylene.

jute From Polythene Bag Made Does Who ?

Last Answer : Bangladesh Who Jute From Polythene Bag Production Does He Is , eminent Scientist Atom Power Of the Commission Sahek Director General, Bangladesh Jute mill Of the corporation Scientific Advisor Dr. _ Mubarak Ahmed Eat .

What is the state of matters of polythene?

Description : What is the state of matters of polythene?

Last Answer : Polythene is a solid polymer.

Is polythene renewable?

Description : Is polythene renewable?

Last Answer : Feel Free to Answer

Are perspex and polythene conductors r insulators?

Description : Are perspex and polythene conductors r insulators?

Last Answer : ?

Are perspex and polythene conductors r insulators?

Description : Are perspex and polythene conductors r insulators?

Last Answer : ?

Which of the following is a biodegradable waste? (1) Wool (2) Polythene bags (3) Plastics (4) Nylon

Description : Which of the following is a biodegradable waste? (1) Wool (2) Polythene bags (3) Plastics (4) Nylon

Last Answer : (1) Wool

Which of the following is a natural polymer? (1) Bakelite (2) Nylon (3) Polythene (4) Starch

Description : Which of the following is a natural polymer? (1) Bakelite (2) Nylon (3) Polythene (4) Starch

Last Answer : (4) Starch Explanation: Cotton, starch, cellulose and rubber are some of the naturally occurring polymers. Starch is a condensation polymer made up of hundreds of glucose monomers, which split out ... is also referred to as a polysaccharide, because it is a polymer of the monosaccharide glucose.

Which of the following is used to make light weight, but strong plastic? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate

Description : Which of the following is used to make light weight, but strong plastic? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate

Last Answer : (3) Polyvinyl Chloride Explanation: Polyvinyl chloride (PVC) is a common, strong but lightweight plastic that is used in making tough plastic. It is used for flexible applications such ... cables. It is the third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.

Which of the following is a natural polymer? (1) Bakelite (2) Nylon (3) Polythene (4) Starch

Description : Which of the following is a natural polymer? (1) Bakelite (2) Nylon (3) Polythene (4) Starch

Last Answer : (4) Starch Explanation: Cotton, starch, cellulose and rubber are some of the naturally occurring polymers. Starch is a condensation polymer made up of hundreds of glucose monomers, which split out water molecules as they chemically combine.

The substance that is added to make natural rubber strong and more bouncy is – (1) Polythene (2) Sponge (3) Sulphur (4) Chlorine

Description : The substance that is added to make natural rubber strong and more bouncy is – (1) Polythene (2) Sponge (3) Sulphur (4) Chlorine

Last Answer : (3) Sulphur Explanation: Vulcanization is a chemical process for converting rubber or related polymers into more durable materials via the addition of sulfur or other equivalent "curatives ... individual polymer chains. Vulcanized materials are less sticky and have superior mechanical properties.

The monomer of polythene is?

Description : The monomer of polythene is?

Last Answer : ethylene

What is the monomer of polythene?

Description : What is the monomer of polythene?

Last Answer : Ethylene

What is the name of the gas used in the preparation of polythene?

Description : What is the name of the gas used in the preparation of polythene?

Last Answer : Ethylene

__________ polythene is most prone to stress-cracking (A) High density (B) Low density (C) Cross-linked (D) Linear low density

Description : __________ polythene is most prone to stress-cracking (A) High density (B) Low density (C) Cross-linked (D) Linear low density

Last Answer : (A) High density

Softening point of high density polythene is about __________ °C. (A) 85 (B) 135 (C) 165 (D) 205

Description : Softening point of high density polythene is about __________ °C. (A) 85 (B) 135 (C) 165 (D) 205

Last Answer : (B) 135

Density of low density polythene is about __________ gm/c.c. (A) 0.38 (B) 0.56 (C) 0.81 (D) 0.91

Description : Density of low density polythene is about __________ gm/c.c. (A) 0.38 (B) 0.56 (C) 0.81 (D) 0.91

Last Answer : (D) 0.91

Which of the following is the lowest cost plastic commercially available? (A) Polythene (B) Teflon

Description : Which of the following is the lowest cost plastic commercially available? (A) Polythene (B) Teflon

Last Answer : (A) Polythene

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

Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer

Description : Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer

Last Answer : (C) Neoprene is a natural rubber

__________ is a thermosetting plastic. (A) PVC (B) Polythene (C) Bakelite (D) Polystyrene

Description : __________ is a thermosetting plastic. (A) PVC (B) Polythene (C) Bakelite (D) Polystyrene

Last Answer : (C) Bakelite

__________ tubes are good substitute for human blood vessels on heart by-pass operation. (A) PVC (B) Polythene (C) Teflon/Dacron (D) Polystyrene

Description : __________ tubes are good substitute for human blood vessels on heart by-pass operation. (A) PVC (B) Polythene (C) Teflon/Dacron (D) Polystyrene

Last Answer : (C) Teflon/Dacron

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

Condensation polymerisation is not involved in the manufacture of (A) Teflon (B) Polythene (C) Terylene (D) Nylon

Description : Condensation polymerisation is not involved in the manufacture of (A) Teflon (B) Polythene (C) Terylene (D) Nylon

Last Answer : (B) Polythene

Polypropylene is preferred to polythene, because the former is (A) Non-inflammable (B) Harder (C) Stronger (D) Both (B) & (C)

Description : Polypropylene is preferred to polythene, because the former is (A) Non-inflammable (B) Harder (C) Stronger (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C

Hot drink (e.g., tea) cups are usually made of (A) Polystyrene (B) Polythene (C) Polypropylene (D) PVC

Description : Hot drink (e.g., tea) cups are usually made of (A) Polystyrene (B) Polythene (C) Polypropylene (D) PVC

Last Answer : (A) Polystyrene

Vinyl flooring is done using __________ sheets. (A) Polypropylene (B) PVC (C) Polythene (D) Polyvinyl acetate

Description : Vinyl flooring is done using __________ sheets. (A) Polypropylene (B) PVC (C) Polythene (D) Polyvinyl acetate

Last Answer : (B) PVC

Low density polythene as compared to high density polythene is (A) Harder (B) Tougher (C) Chemically inert (D) More flexible

Description : Low density polythene as compared to high density polythene is (A) Harder (B) Tougher (C) Chemically inert (D) More flexible

Last Answer : (D) More flexible

__________ scrap can be recycled & reutilised. (A) Bakelite (B) Epoxy resin (C) Polythene (D) None of these

Description : __________ scrap can be recycled & reutilised. (A) Bakelite (B) Epoxy resin (C) Polythene (D) None of these

Last Answer : (C) Polythene

Which of the following is a copolymer? (A) PVC (B) Bakelite (C) Polythene (D) Teflon

Description : Which of the following is a copolymer? (A) PVC (B) Bakelite (C) Polythene (D) Teflon

Last Answer : (B) Bakelite

Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2 . Which of the following polymers has the maximum film elongation (of the order of 100%)? (A) Water impermeable cellophane(B) Polythene(C) Cellulose acetate(D) Teflon

Description : Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2 . Which of the following polymers has the maximum film elongation (of the order of 100%)? (A) Water impermeable cellophane (B) Polythene (C) Cellulose acetate (D) Teflon

Last Answer : (B) Polythene

Density of high density polythene is about __________ gm/c.c. (A) 1.18 (B) 1.05 (C) 0.95 (D) 0.99

Description : Density of high density polythene is about __________ gm/c.c. (A) 1.18 (B) 1.05 (C) 0.95 (D) 0.99

Last Answer : (C) 0.95