The main constituent of biogas is (1) oxygen (2) methane (3) acetic acid (4) methyl alcohol

The main constituent of biogas is (1) oxygen (2) methane (3) acetic acid (4) methyl alcohol
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methane
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Which one of the following is not a constituent of biogas? (1) Methane (2) Carbon dioxide (3) Hydrogen (4) Nitrogen dioxide

Description : Which one of the following is not a constituent of biogas? (1) Methane (2) Carbon dioxide (3) Hydrogen (4) Nitrogen dioxide

Last Answer : (4) Nitrogen dioxide Explanation: Nitrogen dioxide is not a component of biogas. Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion. The major constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia.

During fermentation of sugar, the compound which is always formed is – (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Description : During fermentation of sugar, the compound which is always formed is – (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : (2) Ethyl Alcohol Explanation: Fermentation is the conversion of sugar into car-bon dioxide has (CO2) and ethyl alcohol. This process is carried out by yeast cells using a range of enzymes.

Aspirin is produced by heating salicylic acid with (a) acetic anhydride in the presence of phosphoric acid (b) benzoic anhydride in the presence of phosphoric acid (c) methyl alcohol in the presence of sulfuric acid (d) phenol in the presence of sulfuric acid

Description : Aspirin is produced by heating salicylic acid with (a) acetic anhydride in the presence of phosphoric acid (b) benzoic anhydride in the presence of phosphoric acid (c) methyl alcohol in the presence of sulfuric acid (d) phenol in the presence of sulfuric acid

Last Answer : acetic anhydride in the presence of phosphoric acid

Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate

Description : Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate

Last Answer : Methyl acetate

During fermentation of sugar, the compound which is always formed is : (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Description : During fermentation of sugar, the compound which is always formed is : (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : Ethyl Alcohol

The biogas used for cooking is a mixture of which of the following? (1) Carbon dioxide and oxygen (2) Isobutane and propane (3) Methane and Carbon monoxide (4) Methane and carbon dioxide

Description : The biogas used for cooking is a mixture of which of the following? (1) Carbon dioxide and oxygen (2) Isobutane and propane (3) Methane and Carbon monoxide (4) Methane and carbon dioxide

Last Answer : (4) Methane and carbon dioxide Explanation: Biogas is essentially a mixture of Methane (CH4, around 55-75%) but also contains Carbon Dioxide (CO3), around 25- 30%), varying quantities of Water ( ... ) and Carbon Monoxide (CO). Methane is the valuable component under the aspect of using biogas fuel.

The biogas used for cooking is a mixture of which of the following ? (1) Carbon dioxide and oxygen (2) Isobutane and propane (3) Methane and carbon monoxide (4) Methane and carbon dioxide

Description : The biogas used for cooking is a mixture of which of the following ? (1) Carbon dioxide and oxygen (2) Isobutane and propane (3) Methane and carbon monoxide (4) Methane and carbon dioxide

Last Answer :  Methane and carbon dioxide

Which of the following is a constituent of vinegar? (A) Around 10% alcohol (B) Around 1% acetic acid (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Which of the following is a constituent of vinegar? (A) Around 10% alcohol (B) Around 1% acetic acid (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Which of the following is used to denature ethanol? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Description : Which of the following is used to denature ethanol? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Last Answer : (1) Methyl alcohol Explanation: Denatured alcohol is ethanol that has additives to make it undrinkable (poisonous), to discourage recreational consumption. Different additives are used to make it difficult. to ... both because its boiling point is close to that of ethanol and because it is toxic.

Which of the following is used to denature ethanol ? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Description : Which of the following is used to denature ethanol ? (1) Methyl alcohol (2) Propyl alcohol (3) Phenol (4) Methane

Last Answer : Methyl alcohol

When formaldehyde and potassium hydroxide are heated, we get (1) Acetylene (2) Methyl alcohol (3) Methane (4) Ethyl formate

Description : When formaldehyde and potassium hydroxide are heated, we get (1) Acetylene (2) Methyl alcohol (3) Methane (4) Ethyl formate

Last Answer : Methyl alcohol

Main constituents of biogas are (a) Methane and carbon monoxide (b) Butane and carbon monoxide (c) Methane and carbon dioxide (d) Ethylene and carbon dioxide

Description : Main constituents of biogas are (a) Methane and carbon monoxide (b) Butane and carbon monoxide (c) Methane and carbon dioxide (d) Ethylene and carbon dioxide

Last Answer : Ans: (c)

The main constituents of biogas are (a) methane and hydrogen (b) carbon monoxide and carbon dioxide (c) butane, propane and nitrogen (d) carbon dioxide and methane

Description : The main constituents of biogas are (a) methane and hydrogen (b) carbon monoxide and carbon dioxide (c) butane, propane and nitrogen (d) carbon dioxide and methane

Last Answer : Ans:(d)

The main constituent of biogas is (a) H2 (b) H2S (c) N2 (d) CH4

Description : The main constituent of biogas is (a) H2 (b) H2S (c) N2 (d) CH4

Last Answer : (d) CH4

__________ acid is the main constituent of cotton seed oil. (A) Acetic (B) Linoleic (C) Palmitic (D) Oleic

Description : __________ acid is the main constituent of cotton seed oil. (A) Acetic (B) Linoleic (C) Palmitic (D) Oleic

Last Answer : (B) Linoleic

Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with (A) Methyl alcohol (B) Ethyl alcohol (C) Methane (D) Ethane

Description : Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with (A) Methyl alcohol (B) Ethyl alcohol (C) Methane (D) Ethane

Last Answer : (A) Methyl alcohol

Biogas majorly contains - (1) Ethane (2) Methane (3) Hydrogen (4) CO

Description : Biogas majorly contains - (1) Ethane (2) Methane (3) Hydrogen (4) CO

Last Answer : (2) Methane Explanation: Biogas is a mixture of different gases, major portion in biogas being methane (CH4) and carbon dioxide (CO2). It also contains traces of other gases like hydrogen (H2), Moisture (H2O) , hydrogen sulfide (H2S) etc.

Biogas majorly contains? (1) Ethane (2) Methane (3) Hydrogen (4) CO

Description : Biogas majorly contains? (1) Ethane (2) Methane (3) Hydrogen (4) CO

Last Answer : (2) Methane Explanation: Biogas is a mixture of different gases, major portion in biogas being methane (CH4) and carbon dioxide (CO2). It also contains traces of other gases like hydrogen (H2), Moisture (H2O), hydrogen sulphide (H2S) etc.

Methyl benzoate on hydrolysis gives (a) Acetic acid (b) Benzoic acid (c) Picric acid (d) Phenylacetic acid

Description : Methyl benzoate on hydrolysis gives (a) Acetic acid (b) Benzoic acid (c) Picric acid (d) Phenylacetic acid

Last Answer : Benzoic acid

Which of the following will give acetic acid on acid-hydrolysis? (a) Ethyl acetate (b) Acetone (c) Methyl propionate (d) Lactic acid

Description : Which of the following will give acetic acid on acid-hydrolysis? (a) Ethyl acetate (b) Acetone (c) Methyl propionate (d) Lactic acid

Last Answer : Ethyl acetate

Which of the following would be most acidic? w) phenol x) methanol y) acetic acid z) methyl amine

Description : Which of the following would be most acidic? w) phenol x) methanol y) acetic acid z) methyl amine

Last Answer : ANSWER: C -- ACETIC ACID

The main Constituent of natural gas is (1) Methane (2) Ethane (3) Butane (4) Propane

Description : The main Constituent of natural gas is (1) Methane (2) Ethane (3) Butane (4) Propane

Last Answer : (1) Methane Explanation: Natural has is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, with other hydrocarbons, carbon dioxide, nitrogen and hydrogen sulfide. It is ... methane clathrates. Petroleum is also another resource found in proximity to and with natural gas.

The main constituent of natural gas is (1) Methane (2) Ethane (3) Butane (4) Propane

Description : The main constituent of natural gas is (1) Methane (2) Ethane (3) Butane (4) Propane

Last Answer : Methane

The chief constituent of vinegar is – (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid

Description : The chief constituent of vinegar is – (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid

Last Answer : (2) Acetic acid Explanation: Vinegar is a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic acid ... easily available mild acid, it had a great variety of industrial, medical, and domestic uses.

The chief constituent of vinegar is (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid

Description : The chief constituent of vinegar is (1) Formic acid (2) Acetic acid (3) Salycylic acid (4) Oxalic acid

Last Answer : Acetic acid

Oil of Wintergreen (Methyl salicylate) is obtained by treating salicylic acid with (a) Methane at 150°C (b) CH3OH and conc. H2SO4 (c) Methyl chloride (d) NaOH and then CH3OH

Description : Oil of Wintergreen (Methyl salicylate) is obtained by treating salicylic acid with (a) Methane at 150°C (b) CH3OH and conc. H2SO4 (c) Methyl chloride (d) NaOH and then CH3OH

Last Answer : CH3OH and conc. H2SO4

Which gas caused Bhopal Gas Tragedy? (a) Methyl Isocyanate (b) Carbon dioxide (c) Oxygen (d) Methane

Description : Which gas caused Bhopal Gas Tragedy? (a) Methyl Isocyanate (b) Carbon dioxide (c) Oxygen (d) Methane

Last Answer : (a) Methyl Isocyanate

Select the correct statement from the following. (a) Biogas is produced by the activity of aerobic bacteria on animal waste. (b) Methanobacterium is an aerobic bacterium found in rumen of cattle. (c) Biogas, commonly called gobar gas, is pure methane. (d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.

Description : Select the correct statement from the following. (a) Biogas is produced by the activity of aerobic bacteria on animal waste. (b) Methanobacterium is an aerobic bacterium found in rumen of ... sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.

Last Answer : (d) Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria.

The acetate-utilizing methanogens are responsible for A.20% of methane produced in a biogas reactor B.50% of methane produced in a biogas reactor C.70% of methane produced in a biogas reactor D.85% of methane produced in a biogas reactor

Description : The acetate-utilizing methanogens are responsible for A.20% of methane produced in a biogas reactor B.50% of methane produced in a biogas reactor C.70% of methane produced in a biogas reactor D.85% of methane produced in a biogas reactor

Last Answer : C.70% of methane produced in a biogas reactor

Which is a major constituent of Biogas?

Description : Which is a major constituent of Biogas?

Last Answer : Methane

The group of micro-organisms involved in production of methane from acetic acid (or acetate) in anaerobic wastewater treatment process is : (a) Methodnotrix and Methanobacterium (b) Methanobacterium and Methanosarcina (c) Methanosarcina and Methanospirillum (d) Methanothrix and Methanosarcina

Description : The group of micro-organisms involved in production of methane from acetic acid (or acetate) in anaerobic wastewater treatment process is : (a) Methodnotrix and Methanobacterium (b) Methanobacterium and Methanosarcina (c) Methanosarcina and Methanospirillum (d) Methanothrix and Methanosarcina

Last Answer : (d) Methanothrix and Methanosarcina

In beri beri there will be accumulation of _________ in blood. (A) Aceto acetic acid (B) β−hydroxy butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Description : In beri beri there will be accumulation of _________ in blood. (A) Aceto acetic acid (B) β−hydroxy butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Last Answer : Answer : C

In beri beri there will be accumulation of _______ in blood. (A) Aceto acetic acid (B) β-OH butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Description : In beri beri there will be accumulation of _______ in blood. (A) Aceto acetic acid (B) β-OH butyric acid (C) Pyruvic acid (D) Methyl malonic acid

Last Answer : Answer : C

Transmethylation of guanido acetic acid gives (A) Creatine phosphate (B) Creatinine (C) Choline (D) n-methyl nicotinamide

Description : Transmethylation of guanido acetic acid gives (A) Creatine phosphate (B) Creatinine (C) Choline (D) n-methyl nicotinamide

Last Answer : Answer : A

What is Isomerism exhibeted by acetic acid and methyl formate?

Description : What is Isomerism exhibeted by acetic acid and methyl formate?

Last Answer : Functional group

What is Isomerism exhibeted by acetic acid and methyl formate?

Description : What is Isomerism exhibeted by acetic acid and methyl formate?

Last Answer : Functional group

Vinegar is the trade name of - (1) acetic acid (2) chloroform (3) carbon tetrachloride (4) ethyl alcohol

Description : Vinegar is the trade name of - (1) acetic acid (2) chloroform (3) carbon tetrachloride (4) ethyl alcohol

Last Answer : (1) acetic acid Explanation: The trivial name acetic acid is the most commonly used and preferred IUPAC name. The systematic name ethanoic acid, a valid IUPAC name, is constructed according to the substitutive nomenclature.

Which of the following compounds on treatment with NaHCO3 will liberate CO2? (a) Acetic acid (b) Ethylamine (c) Acetone (d) Ethyl alcohol

Description : Which of the following compounds on treatment with NaHCO3 will liberate CO2? (a) Acetic acid (b) Ethylamine (c) Acetone (d) Ethyl alcohol

Last Answer : Acetic acid

Which of the following compounds will react with Tollens' reagent to give metallic silver? (a) Formic acid (b) Ethyl alcohol (c) Acetic acid (d) Acetone

Description : Which of the following compounds will react with Tollens' reagent to give metallic silver? (a) Formic acid (b) Ethyl alcohol (c) Acetic acid (d) Acetone

Last Answer : Formic acid

Reduction of acetaldehyde with H2/Ni gives (a) Ethyl alcohol (b) Acetic acid (c) Ethylene (d) Ethane

Description : Reduction of acetaldehyde with H2/Ni gives (a) Ethyl alcohol (b) Acetic acid (c) Ethylene (d) Ethane

Last Answer : Ethyl alcohol

Ethyl alcohol reacts with concentrated H2SO4 at 140°C to form (a) Acetone (b) Ethylene (c) Diethyl ether (d) Acetic acid

Description : Ethyl alcohol reacts with concentrated H2SO4 at 140°C to form (a) Acetone (b) Ethylene (c) Diethyl ether (d) Acetic acid

Last Answer : Diethyl ether

Ethylene oxide undergoes acid-hydrolysis to form (a) Ethylene glycol (b) Formic acid (c) Ethyl alcohol (d) Acetic acid

Description : Ethylene oxide undergoes acid-hydrolysis to form (a) Ethylene glycol (b) Formic acid (c) Ethyl alcohol (d) Acetic acid

Last Answer : Ethylene glycol

. Isopropyl alcohol reacts with acidic sodium dichromate to give (a) Acetaldehyde (b) Acetic acid (c) Propionic acid (d) Acetone

Description : Isopropyl alcohol reacts with acidic sodium dichromate to give (a) Acetaldehyde (b) Acetic acid (c) Propionic acid (d) Acetone

Last Answer : Acetone

In the United States, Grain alcohol is made: w) from coal x) by fermenting starches y) from methanol z) from vinegar e) by fermenting acetic acid

Description : In the United States, Grain alcohol is made: w) from coal x) by fermenting starches y) from methanol z) from vinegar e) by fermenting acetic acid

Last Answer : ANSWER: X -- BY FERMENTING STARCHES

Acetic anhydride reacts with ethanal to give (a) Methyl acetate (b) Methyl propanoate (c) Ethyl acetate (d) Ethyl propanoate

Description : Acetic anhydride reacts with ethanal to give (a) Methyl acetate (b) Methyl propanoate (c) Ethyl acetate (d) Ethyl propanoate

Last Answer : Ethyl acetate

Propyne is formed by (a) Polymerization of acetylene (b) Reaction of acetylene with methane (c) Reaction of acetylene with methyl chloride (d) Reaction of sodium acetylide with methyl chloride

Description : Propyne is formed by (a) Polymerization of acetylene (b) Reaction of acetylene with methane (c) Reaction of acetylene with methyl chloride (d) Reaction of sodium acetylide with methyl chloride

Last Answer : Reaction of sodium acetylide with methyl chloride

Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing HCl and a methyl radical. (c) forming a carbanion intermediate that rapidly dissociates to produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane

Description : Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing ... produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane

Last Answer : abstracting a hydrogen atom from methane, and producing HCl and a methyl radical

Which of the following is not an example of a fuel cell? a) Hydrogen-oxygen cell b) Methyl-oxygen-alcohol cell c) Propane-oxygen cell d) Hexanone-oxygen cell

Description : Which of the following is not an example of a fuel cell? a) Hydrogen-oxygen cell b) Methyl-oxygen-alcohol cell c) Propane-oxygen cell d) Hexanone-oxygen cell

Last Answer : d) Hexanone-oxygen cell

Which of the following is the major constituent of LPG? (1) Methane (2) Ethane (3) Propane (4) Butane

Description : Which of the following is the major constituent of LPG? (1) Methane (2) Ethane (3) Propane (4) Butane

Last Answer : (4) Butane Explanation: Butanes are highly flammable, colourless, easily liquefied gases. When blended with propane and other hydrocarbons, it is referred to commercially as LPG, for liquefied petroleum gas.

The chief constituent of natural gas is: (1) Methane (2) Helium (3) Nitrogen (4) Propalie

Description : The chief constituent of natural gas is: (1) Methane (2) Helium (3) Nitrogen (4) Propalie

Last Answer : (1) Methane Explanation: Natural gas is a naturally occurring hydrocarbon has mixture consisting primarily of methane (CH4). However, it also includes varying amounts of other higher alkanes (ethane, propane), and a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.