Description : Caprolactam, a raw material for the manufacture of nylon-6, isproduced from (A) Phenol (B) Naphthalene (C) Benzene (D) Pyridine
Last Answer : (C) Benzene
Description : Pick out the wrong statement. (A) Catalytic hydrogenation of carbon monoxide produces methyl alcohol (B) In nylon-6, the number 6 represents the total number of carbon atoms in the ring (C ... are benzene and chlorine (D) Ethanolamines are produced by using ammonia and ethylene oxide as raw material
Last Answer : (C) Raw materials for DDT manufacture are benzene and chlorine
Description : The starting material used for the manufacture of caprolactam is (A) Ethyl benzene (B) Cyclohexane (C) Ethylene glycol (D) DMT
Last Answer : (B) Cyclohexane
Description : Acetone is produced by catalytic dehydrogenation of (A) Phenol (B) Naphthalene (C) Isopropanol (D) Ethyl benzene
Last Answer : (C) Isopropanol
Description : Pick out the wrong statement. (A) For the manufacture of styrene, the major raw materials are benzene and ethylene (B) One important copolymer of styrene is SBR, which is widely ... D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available
Last Answer : (D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available
Description : Polycaprolactam (Nylon - 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about __________ percent. (A) 50 (B) 75 (C) 90 (D) 99
Last Answer : (C) 90
Description : Dehydrogenation of ethyl benzene produces (A) Styrene (B) Naphthalene (C) Phenol (D) Benzoic acid
Last Answer : (A) Styrene
Description : Starting raw material for the manufacture of Maleic anhydride is (A) n-butene (B) Benzene (C) Either (A) or (B) (D) Neither (A) nor (B)
Last Answer : (C) Either (A) or (B)
Description : Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon- 6. (A) -20 to 25 (B) 50 to 75 (C) 100 to 150 (D) 250-280
Last Answer : (D) 250-280
Description : 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. (A) -5 (B) 10-30 (C) 250-280 (D) 500-600
Last Answer : (C) 250-280
Description : Nylon-6 is manufactured from (A) Caprolactam (B) Adipic acid and Hexamethylenediamine (C) Maleic anhydride and Hexamethylenediamine (D) Sebacic acid and Hexamethylenediamine
Last Answer : (A) Caprolactam
Description : 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C. (A) < 0 (B) 10-30 (C) 250-280 (D) 500-600
Last Answer : (B) 10-30
Description : Nylon-6 is manufactured from (A) Caprolactam (B) Hexamethylene diamine and adipic acid (C) Hexamethylene diamine and Maleic anhydride (D) Hexamethylene diamine and Sebacic acid
Description : Which one of the following raw material is used in the manufacture of foam used in mattresses cushions etc. A. Phenol B. Urea C. Methanol D. Ethanol
Last Answer : ANSWER: A
Description : Synthetic glycerine is produced from (A) Toluene (B) Phenol (C) Propylene (D) Naphthalene
Last Answer : (C) Propylene
Description : Nylon-66 is manufactured from (A) Adipic acid and Hexamethylene diamine (B) Caprolactam (C) Maleic anhydride and Hexamethylene diamine (D) Dimethyl terephthalate (DMT) and ethylene glycol
Last Answer : (A) Adipic acid and Hexamethylene diamine
Description : Nylon-66 is manufactured from (A) Hexamethylene diamine and adipic acid (B) Hexamethylene diamine and Maleic anhydride (C) Caprolactam (D) Dimethyl terephthalate and ethylene glycol
Last Answer : (A) Hexamethylene diamine and adipic acid
Description : Phthalic anhydride is produced by the oxidation of (A) Naphthalene (B) Benzene (C) Toluene (D) Aniline
Last Answer : (B) Benzene
Description : Maleic anhydride is produced by catalytic oxidation of (A) Toluene (B) Ethyl alcohol (C) Naphthalene (D) Benzene
Last Answer : (D) Benzene
Description : Phenol formaldehyde is produced by condensation polymerisation. It is also known as (A) Teflon (B) Bakelite (C) Polyester (D) Nylon-66
Last Answer : (B) Bakelite
Description : __________ is produced by the dehydrogenation of ethyl benzene. (A) Styrene (B) Ethyl alcohol (C) Cumene (D) Phenol
Description : . Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. (A) 75 (B) < 10 (C) > 30 (D) 50
Last Answer : (B) < 10
Description : Catalytic oxidation of naphthalene produces (A) Styrene (B) Phenol (C) Phthalic anhydride (D) None of these
Last Answer : (C) Phthalic anhydride
Description : Naphthols are derivates of (A) Methyl amine (B) Naphthalene (C) Phenol (D) Xylene
Last Answer : (B) Naphthalene
Description : In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a crosslinked polymer? (A) Bakelite (phenol formaldehyde) (B) Polyester (C) Polythene (D) Nylon-6
Last Answer : (A) Bakelite (phenol formaldehyde)
Description : Phthalic anhydride is made by the (A) Oxidation of naphthalene (B) Oxidation of benzene (C) Dehydrogenation of ethyl benzene (D) None of these
Last Answer : (A) Oxidation of naphthalene
Description : Cumene (isopropyl benzene) is made by (A) Oxidation of naphthalene (B) Propylene alkylation of benzene (C) Polymerisation of a mixture of benzene & propylene (D) None of these
Last Answer : (B) Propylene alkylation of benzene
Description : An example of heterocyclic compound is – (1) Naphthalene (2) Furan (3) Benzene (4) Anthracene
Last Answer : (2) Furan Explanation: A heterocyclic compound is a cyclic compound that has atoms of at least two different elements as members ails ring (s). Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ring with four carbon atoms and one oxygen.
Description : An example of heterocyclic compound is (1) Naphthalene (2) Furan (3) Benzene (4) Anthracene
Last Answer : Furan
Description : Phthalic anhydride is used (A) In making PVC (B) As plasticisers (C) In insecticides manufacture (D) For making nylon-6
Last Answer : (B) As plasticisers
Description : The raw material to form nylon is:
Last Answer : The raw material to form nylon is: A. Adipic acid B. Butadiene C. isopreme D. ethylene
Description : The chief raw material used for manufacturing Rayon is : (1) Nylon (2) Cellulose (3) Silicon (4) Radium and Argon
Last Answer : (2) Cellulose Explanation: Rayon is a manufactured regenerated cellulose fiber. Because it is produced from naturally occurring polymers, it is neither a truly synthetic fiber nor a natural fiber; it is a semi-synthetic or artificial fiber.
Last Answer : Cellulose
Description : . Main constituents of Benzol are (A) Benzene, toluene & xylene (B) Tar & creosote (C) Ammonia & phenol (D) Anthracene & phenol
Last Answer : (A) Benzene, toluene & xylene
Description : Catalytic oxidation of toluene produces (A) Styrene (B) Phenol (C) Benzene (D) Tri-nitro-toluene
Last Answer : (B) Phenol
Description : Which of the following is not a raw material used for the manufacture of ordinary glass? (A) Iron oxide (B) Soda ash (C) Limestone (D) Silica
Last Answer : (A) Iron oxide
Description : Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and (A) Sulphuric acid (B) Phosphoric acid (C) Hydrochloric acid (D) Hydrofluoric acid
Last Answer : (A) Sulphuric acid
Description : rting raw material for the manufacture of alum is (A) Alumina (B) Gypsum (C) Bauxite (D) Ammonium bicarbonate
Last Answer : (C) Bauxite
Description : In the manufacture of viscose rayon, the raw material used industrially is (A) Eucalyptus wood (B) Bamboo (C) Bagasse (D) Fine teak wood
Last Answer : (D) Fine teak wood
Description : Phosphate rock is a raw material for the manufacture of (A) Phosphoric acid (B) Phosphorous (C) Superphosphates (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Salt is the basic raw material for the manufacture of (A) Cement (B) Glass (C) Potteries (D) Caustic soda
Last Answer : (D) Caustic soda
Description : Pick out the wrong statement. (A) Dry process is used for the manufacture of cement, when the raw material is blast furnace slag (B) Portland cement is made employing wet process (C) Gypsum is added to Portland cement to lengthen its setting time (D) None of these
Last Answer : (D) None of these
Description : Carbon tetrachloride (CCl4 ) is the starting raw material for the manufacture of (A) Trichloroethylene (B) Perchloroethylene (C) Parathion (D) Methanol
Last Answer : (B) Perchloroethylene
Description : Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent. (A) 10 (B) 50 (C) 80 (D) 95
Last Answer : (B) 50
Description : Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is (A) 5CaO. 3 Al2O3 (B) 3CaO. Al2O3 (C) 3CaO. SiO2 (D) 2CaO. SiO2
Last Answer : Option A
Description : Adipic acid is an intermediate in the manufacture of (A) Perspex (B) Nylon-66 (C) Polystyrene (D) Bakelite
Last Answer : (B) Nylon-66
Description : Condensation polymerisation is not involved in the manufacture of (A) Teflon (B) Polythene (C) Terylene (D) Nylon
Last Answer : (B) Polythene
Description : Adipic acid is an intermediate in the manufacture of (A) Perspex (B) Nylon-66 (C) Polystyrene (D) Bakelit