Hydrogenation of oil/fat does not (A) Improve its resistance to rancid oxidation (B) Raise its melting point (C) Remove double bonds (D) None of these

Hydrogenation of oil/fat does not
(A) Improve its resistance to rancid oxidation
(B) Raise its melting point
(C) Remove double bonds
(D) None of these
by

1 Answer

Answer :

(D) None of these
by

Related questions

Hydrogenation of oil does not (A) Remove double bonds (B) Raise its melting point (C) Improve its resistance to oxidation (D) None of these

Description : Hydrogenation of oil does not (A) Remove double bonds (B) Raise its melting point (C) Improve its resistance to oxidation (D) None of these

Last Answer : (D) None of these

Liquid oils can be converted to solid fats by (a) Hydrogenation (b) Saponification (c) Hydrolysis (d) Oxidation of double bonds

Description : Liquid oils can be converted to solid fats by (a) Hydrogenation (b) Saponification (c) Hydrolysis (d) Oxidation of double bonds

Last Answer : Hydrogenation

Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils (A) Cause cholesterol build up and blood clotting (B) Are prone to rancid oxidation (C) Always contain some amount of nickel (as their complete removal is very difficult) (D) Have affinity to retain harmful sulphur compounds

Description : Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils (A) Cause cholesterol build up and blood clotting (B) Are prone to rancid oxidation (C ... (as their complete removal is very difficult) (D) Have affinity to retain harmful sulphur compounds

Last Answer : (A) Cause cholesterol build up and blood clotting

Rancidity of the fatty oil can be reduced by its (A) Decoloration (B) Hydrogenation (C) Oxidation (D) Purification

Description : Rancidity of the fatty oil can be reduced by its (A) Decoloration (B) Hydrogenation (C) Oxidation (D) Purification

Last Answer : (B) Hydrogenation

Vegetable oils are converted into solid fat (ghee) by - (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation

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Last Answer : (4) Hydrogenation Explanation: Hydrogenation - to treat with hydrogen - is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the presence of a ... oils are derived from polyunsaturated fatty acids (containing more than one carbon-carbon double bonds).

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Last Answer : Hydrogenation

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Last Answer : (C) Partial oxidation

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Last Answer : (D) All (A), (B) and (C)

The smell of fat turned rancid is due to (A) Presence of vit E (B) Presence of quinones (C) Phenols (D) Volatile fatty acids

Description : The smell of fat turned rancid is due to (A) Presence of vit E (B) Presence of quinones (C) Phenols (D) Volatile fatty acids

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Cooking oil can be converted into vegetable ghee by the process of – (1) oxidation (2) hydrogenation (3) distillation (4) crystalisation

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Cooking oil can be converted into vegetables ghee by the process of – (1) Oxidation (2) Hydrogenation (3) Distillation (4) Crystallization

Description : Cooking oil can be converted into vegetables ghee by the process of – (1) Oxidation (2) Hydrogenation (3) Distillation (4) Crystallization

Last Answer : (2) Hydrogenation Explanation: Hydrogenation is a chemical reaction - widely used in the processing of cooking oils and fats - that turns unsaturated fatty acids into saturated ones.

Cooking oil can be converted into vegetable ghee by the process of (1) oxidation (2) hydrogenation (3) distillation (4) crystalisation

Description : Cooking oil can be converted into vegetable ghee by the process of (1) oxidation (2) hydrogenation (3) distillation (4) crystalisation

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Vegetable oil is made into margarine through: w) halogenation x) partial hydrogenation y) methylation z) oxidation

Description : Vegetable oil is made into margarine through: w) halogenation x) partial hydrogenation y) methylation z) oxidation

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Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : (1) Hydrolysis (2)Oxidation (3) Hydrogenation (4) Ozonolysis

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Odour of rancid oil is due to what?

Description : Odour of rancid oil is due to what? 

Last Answer : Partial oxidation of fatty acids, with formation of epoxides and peroxides of small molecular weight fatty acids.

Gobar gas is produced by the __________ of cow dung. (A) Fermentation (B) Oxidation (C) Hydrogenation (D) None of these

Description : Gobar gas is produced by the __________ of cow dung. (A) Fermentation (B) Oxidation (C) Hydrogenation (D) None of these

Last Answer : (A) Fermentation

Ammonia synthesis gas is produced from natural gas by (A) Thermal cracking (B) Steam reforming (C) Partial oxidation (D) Hydrogenation

Description : Ammonia synthesis gas is produced from natural gas by (A) Thermal cracking (B) Steam reforming (C) Partial oxidation (D) Hydrogenation

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Sulphuric acid is used as a catalyst in the (A) Hydrogenation of oils (B) Gas phase oxidation of SO2 in chamber process (C) Alkylation of hydrocarbons(D) None of these

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Last Answer : (C) Alkylation of hydrocarbons

Commercial production of Vanaspati is done by __________ of edible vegetable oils. (A) Hydrogenation (B) Oxidation (C) Hydrolysis (D) Hydrocracking

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Semibatch reactor is preferred, when a/an (A) A highly exothermic reaction is to be controlled (B) Undesirable side reaction (at high concentration of one of the reactants) is to be avoided (C) A gas is to be reacted with liquid (e.g. hydrogenation of fat) (D) All (A), (B), and (C

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Unsaturated fatty acid found in the cod liver oil and containing 5 double bonds is (A) Clupanodonic acid (B) Cervonic acid (C) Elaidic acid (D) Timnodonic acid

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Last Answer : Answer : D

Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant. (A) Agitated vessel (B) Sieve tray column (C) Bubble cap column (D) Packed tower

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Catalyst used in the hydrogenation of oil is (A) Nickel (B) Platinum (C) Iron (D) Alumina

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Who loves Rancid?

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Among the following organic acids, the acid present in rancid butter is :

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Preparation of `Dalda or Vanaspati' ghee from vegetable oil utilizes the following process : (1) Hydrolysis (2) Qxidation (3) Hydrogenation (4) Ozonolysis

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