Description : Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but (A) Polyacrylonitrile (B) Polyamide (C) Saturated polyester (D) Alkyd resin
Last Answer : (A) Polyacrylonitrile
Description : The major component of acrylic fibres is (A) Polyamides (B) Polyolefins (C) Polyacrylonitrile (D) Polyesters
Last Answer : (C) Polyacrylonitrile
Description : Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as (A) Photochemical smog (B) Peroxyacetyl nitrate (PAN) or methyl nitrite (C) Benzopyrene (D) Polyacrylonitrile
Last Answer : (B) Peroxyacetyl nitrate (PAN) or methyl nitrite
Description : Naphthalene is used for making (A) Insecticides (e.g. moth balls) (B) Unsaturated polyesters (C) Drug intermediates e.g. β-naphthol (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Parathion and Malathion are (A) Pesticides (B) Plasticisers for unsaturated polyesters (C) Pain-relieving drugs (analgesic) (D) Tranquilisers
Last Answer : (A) Pesticides
Description : Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. (A) Nylon (B) Polyacrylonitrile (C) Polypropylene (D) Polyester
Last Answer : (B) Polyacrylonitrile
Description : __________ is not a polyester fibre. (A) Terylene (B) Dacron (C) Nylon (D) Polyacrylonitrile
Last Answer : (C) Nylon
Description : Orlan fibre which is used as a wool substitute is (A) An amorphous polymer (B) A natural polymeric fibre (C) Polyacrylonitrile (D) Poly-methyl-methacrylate (PMMA)
Description : Dacron is a/an (A) Polyester (B) Unsaturated polyester (C) Polyamide (D) Inorganic polyme
Last Answer : (A) Polyeste
Description : Dacron is a/an (A) Polyester (B) Unsaturated polyester (C) Polyamide (D) Inorganic polymer
Last Answer : (A) Polyester
Description : Rayon is a __________ fibre. (A) Cellulosic (B) Polyamide (C) Polyester (D) Natural
Last Answer : (A) Cellulosic
Description : Thiokol is nothing but (A) Polysulphide rubber (B) Polyamide fibre (C) Engineering plastic (D) Expanded polystyrene
Last Answer : (A) Polysulphide rubber
Description : Which of the following is a natural polyamide fibre? (A) Wool (B) Silk (C) Cotton
Last Answer : (A) Wool
Description : Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces (A) Epoxy resin (B) Polyamide (C) Alkyd resin (D) Phenolic resin
Last Answer : (C) Alkyd resin
Description : In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of (A) Cross linked polystyrene (B) Phenol formaldehyde resins (C) Polyesters (D) Polyamides
Last Answer : (A) Cross linked polystyrene
Description : Which of the following is stretched into fibres? (A) Saturated polyester (B) Unsaturated polyester (C) Isoprene (D) Bakelite
Last Answer : (A) Saturated polyester
Description : __________ are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol). (A) Unsaturated polyester (B) Alkyd resins (C) Saturated polyester (D) Amino resins
Last Answer : (B) Alkyd resins
Description : Olefins are (A) Saturated hydrocarbons (B) Unsaturated cyclic compounds (hydrocarbons) (C) Present in substantially good quantity in crude petroleum (D) None of these
Last Answer : (D) None of these
Description : Unsaturated oils compared to saturated oils have (A) Lower melting point & higher reactivity to oxygen (B) Higher melting point & higher reactivity to oxygen (C) Lower melting point & lower reactivity to oxygen (D) Higher melting point & lower reactivity to oxygen
Last Answer : (A) Lower melting point & higher reactivity to oxygen
Description : Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil. (A) Drying (B) Semi-drying (C) Non-drying (D) None of these
Last Answer : (C) Non-drying
Description : Classify the following into saturated and unsaturated hydrocarbons – Benzene, cyclopropane, alkene and alkane, methane, ethene, Propyne, butene
Last Answer : Saturated: Alkane, cyclopropane, methane Unsaturated: Benzene, alkene, ethene, Propyne, butene
Description : 13.a) What is solute and solvent in aerated drinks? b) Given a solution of substance 'A' how will you test whether it is saturated or unsaturated with respect to 'A' at the given temperature. -Chemistry
Last Answer : (a) No solute and solvent is available in aerated drinks. (b) in the given solution add small amount of solute A, if A dissolved a daydream a transparent solution is formed then it is an unsaturated solution and if A doesn't dissolved and a precipitate is formed then it's a saturated solution
Description : What is the chemical difference between a saturated and an unsaturated fat? -Biology
Last Answer : answer:
Description : What Lipids in their degree of saturated or unsaturated due to the number of?
Last Answer : Need answer
Description : What causes unsaturated fatty acid to have different shape than saturated fats?
Last Answer : what are accurate comparisons of bases found in robins as opposed to bases found in sparrows
Description : Prostaglandins are (A) C2 unsaturated acids (B) C27 saturated alcohols (C) C20 saturated acids (D) C27 saturated alcohols
Last Answer : Answer : A
Description : Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid
Last Answer : Answer : D
Description : A diet containing this fat is helpful in lowering the blood cholesterol level. (A) Unsaturated (B) Saturated (C) Vitamin enriched (D) Refined
Description : The alkyl radical in plasmalogen is an alcohol: (A) Saturated (B) Unsaturated (C) Both (A) and (B) (D) None of these
Description : Predominant fatty acids in meat are (A) Saturated (B) Monounsaturated (C) Polyunsaturated (D) Mono and poly-unsaturated
Description : The dew point temperature is less than the wet bulb temperature for A. saturated air B. unsaturated air C. both saturated and unsaturated air D. none of the above
Last Answer : ANSWER : B
Description : Paraffins have molecular structure of a) chain saturated b) chain unsaturated c) ring saturated d) ring unsaturated
Last Answer : Answer: a Explanation: None.
Description : Membrane lipids of chillsensitive plants contain - (1) low proportion of saturated fatty acids. (2) low proportion of unsaturated fatty acids. (3) equal proportion of saturated and unsaturated fatty acids. (4) high proportion of unsaturated fatty acids.
Last Answer : (4) high proportion of unsaturated fatty acids. Explanation: The membranes of chill sensitive plants have been found to have about a 2:1 ratio of unsaturated to saturated fatty ... increases and the critical temperature decreases when chill-sensitive plants are acclimated to a low temperature.
Description : Drying oils contain a fairly large proportion of – (1) fats (2) proteins (3) saturated fatty acids (4) unsaturated fatty acids
Last Answer : (4) unsaturated fatty acids Explanation: They contain a high percentage of "polyunsaturates" (polyunsaturated fatty acids). Most drying oils owe their drying properties to the presence of a large percentage of linolenic acid (which derives its name from "linseed"), which is highly unsaturated.
Description : Compounds of carbon having double or triple bonds between their carbon atoms are called (1) Saturated compounds (2) Unsaturated compounds (3) Reactive compounds (4) None of the above
Last Answer : (2) Unsaturated compounds Explanation: Compounds of carbon, which are linked by only single bonds between the carbon atoms are called saturated compounds. Compounds of carbon having double or triple bonds between their carbon atoms are called unsaturated compounds.
Description : Mention the differences between saturated and unsaturated hydrocarbons.
Last Answer : Saturated hydrocarbons 1. Hydrocarbons in which carbon atoms are linked by single covalent bonds. 2. Names of these hydrocarbons end with ane'. Unsaturated hydrocarbons 1. Hydrocarbons in which carbon ... and triple covalent bonds. 2. Names of these hydrocarbons end with ene' or yne'
Description : A phosphoglyceride is always made up of (a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached (b) a saturated or unsaturated ... unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached.
Last Answer : (a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
Description : Which of the following statements best describes the structure of waxes? (a) long-chain unsaturated carboxylic acids (b) long-chain saturated carboxylic acids (c) long-chain esters (d) short-chain esters
Last Answer : long-chain esters
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
Description : Both stearic acid and linoleic acid have 18 carbons. Linoleic acid is unsaturated, while stearic acid is saturated. The melting point of stearic acid : (a) is higher than linoleic acid (b) is lower than linoleic acid (c) is same as linoleic acid (d) can not predict, insufficient information
Last Answer : is higher than linoleic acid
Description : What is the name given to a compound containing only carbons and hydrogens and having the maximum number of hydrogens in the molecule? (a) alkene (b) unsaturated hydrocarbon (c) saturated hydrocarbon (d) alkyne
Last Answer : saturated hydrocarbon
Description : What type of steam is generated by evaporator tube of Lamont boiler ? a. Saturated steam b. Unsaturated steam c. Superheated steam d. Flash steam
Last Answer : a. Saturated steam
Description : A vapor that is not about to condense is called _____ vapor. A. Saturated B. Compressed or subcooled C. Superheated D. Unsaturated
Last Answer : Superheated
Description : A vapor that is about to condense is called ______ vapor. A. Saturated B. Compressed or subcooled C. Superheated D. Unsaturated
Last Answer : Saturated
Description : A liquid that is about to vaporize is called ______ liquid. A. Saturated B. Compressed or subcooled C. Superheated D. Unsaturated
Description : When water exists in the liquid phase and is not about to vaporize, it is considered as _____liquid. A. Saturated B. Compressed or subcooled C. Superheated D. Unsaturated
Last Answer : Compressed or subcooled
Last Answer : (D) Sulphur containing fatty acid
Description : What chemical functionality do unsaturated fatty acid contain that saturated fatty acids do not?
Last Answer : ANSWER: DOUBLE BONDS or CARBON-CARBON DOUBLE BONDS
Description : Membrane lipids of chillsensitive plants contain (1) low proportion of saturated fatty acids. (2) low proportion of unsaturated fatty acids. (3) equal proportion of saturated and unsaturated fatty acids. (4) high proportion of unsaturated fatty acids.
Last Answer : high proportion of unsaturated fatty acids.
Description : Drying oils contain a fairly large proportion of (1) fats (2) proteins (3) saturated fatty acids (4) unsaturated fatty acids
Last Answer : unsaturated fatty acids