The gas used for artificial ripening of green fruit is - (1) Acetylene (2) Ethylene (3) Ethane (4) Carbon dioxide

The gas used for artificial ripening of green fruit is - (1) Acetylene (2) Ethylene (3) Ethane (4) Carbon dioxide
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(2) Ethylene Explanation: Fruits such as apples and pears emit a greater amount of ethylene gas in fruits, which affects their ripening.
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The gas used for artificial ripening of green fruit is - (1) ethane (2) ethylene (3) carbon dioxide (4) acetylene

Description : The gas used for artificial ripening of green fruit is - (1) ethane (2) ethylene (3) carbon dioxide (4) acetylene

Last Answer : (2) ethylene Explanation: Ethylene gas is used for artificial ripening of green fruit. Ethylene is a natural ripener, but it is also used as an artificial fruit ripener.

The gas used for artificial fruit ripening of green fruit is – (1) Ethylene (2) Acetylene (3) Ethane (4) Methane

Description : The gas used for artificial fruit ripening of green fruit is – (1) Ethylene (2) Acetylene (3) Ethane (4) Methane

Last Answer : (1) Ethylene Explanation: Ethylene can promote ripening in tomatoes, bananas, citrus, pineapples, dates, persimmons, pears, apples, melons, mangos, avocados, papayas and jujubes - a ... with the specific biological phenomenon of accelerating the normal process of fruit maturation and senescence.

The gas used for artificial fruit ripening of green fruit is — (1) Ethylene (2) Acetylene (3) Ethane (4) Methane

Description : The gas used for artificial fruit ripening of green fruit is — (1) Ethylene (2) Acetylene (3) Ethane (4) Methane

Last Answer : Ethylene

The gas used for artificial fruit ripening of green fruit is – (1) Ethylent (2) Acetylene (3) Ethane (4) Methane

Description : The gas used for artificial fruit ripening of green fruit is – (1) Ethylent (2) Acetylene (3) Ethane (4) Methane

Last Answer : (1) Ethylent Explanation: Ethylene can promote ripening in tomatoes, bananas, citrus, pineapples, dates, persimmons, pears, apples, melons, mangos, avocados, papayas and jujubes - a ... with the specific biological phenomenon of accelerating the normal process of fruit maturation and senescence.

The gas used in the artificial ripening of fruits is – (1) Acetylene (2) Methane (3) Ethane (4) Butane

Description : The gas used in the artificial ripening of fruits is – (1) Acetylene (2) Methane (3) Ethane (4) Butane

Last Answer : (1) Acetylene Explanation: Ripening is a process in fruits that causes them to become more palatable. In general, a fruit becomes sweeter, s less green, and softer as it ripens Even though the acidity ... to be picked prior to full ripening, which is useful, since ripened fruits do not ship well.

Domestic cooking gas consists mostly of (1) methane and ethane (2) liquefied butane and isobutene (3) hydrogen and acetylene (4) ethylene and carbon monoxide

Description : Domestic cooking gas consists mostly of (1) methane and ethane (2) liquefied butane and isobutene (3) hydrogen and acetylene (4) ethylene and carbon monoxide

Last Answer : (2) liquefied butane and isobutene Explanation: Domestic gas is another name for Liquefied Petroleum Gas (LPG). Varieties of LPG bought and sold include mixes that are primarily propane (C3H8), primarily ... propane and butane, depending on the season - in winter more propane, in summer more butane.

Domestic cooking gas consists mostly of (1) methane and ethane (2) liquified butane and isobutane (3) hydrogen and acetylene (4) ethylene and carbon monoxide

Description : Domestic cooking gas consists mostly of (1) methane and ethane (2) liquified butane and isobutane (3) hydrogen and acetylene (4) ethylene and carbon monoxide

Last Answer : liquified butane and isobutane

Which gas is produced after the application of Calcium Carbide to the fruits, for rapid ripening? a. Methane b. Carbon-di-oxide c. Acetylene d. Ethylene

Description : Which gas is produced after the application of Calcium Carbide to the fruits, for rapid ripening? a. Methane b. Carbon-di-oxide c. Acetylene d. Ethylene

Last Answer : c. Acetylene

Which gas is produced after the application of Calcium Carbide to the fruits, for rapid ripening? a. Methane b. Carbon-di-oxide c. Acetylene d. Ethylene

Description : Which gas is produced after the application of Calcium Carbide to the fruits, for rapid ripening? a. Methane b. Carbon-di-oxide c. Acetylene d. Ethylene

Last Answer : c. Acetylene

The carbon -carbon bond length is shortest in (a) Ethane (b) Ethylene (c) Benzene (d) Acetylene

Description : The carbon -carbon bond length is shortest in (a) Ethane (b) Ethylene (c) Benzene (d) Acetylene

Last Answer : Ans:(d)

The chief constituent of gobar gas is (a) Methane (b) Carbon dioxide (c) Acetylene (d) Ethylene

Description : The chief constituent of gobar gas is (a) Methane (b) Carbon dioxide (c) Acetylene (d) Ethylene

Last Answer : Ans:(a)

The gas used for artificial ripening of green fruit is?

Description : The gas used for artificial ripening of green fruit is?

Last Answer : ethylene

Artificial ripening of fruits is accomplished by treatment with: (a) Sodium chloride (b) IAA (c) Ethylene gas (d) Kinetin

Description : Artificial ripening of fruits is accomplished by treatment with: (a) Sodium chloride (b) IAA (c) Ethylene gas (d) Kinetin

Last Answer : Ans. ((c))

LPG (Household cooking gas) is mainly a mixture of (a) Methane + Ethane (b) Acetylene + O2 (c) Butane + Isobutane (d) Acetylene + H2

Description : LPG (Household cooking gas) is mainly a mixture of (a) Methane + Ethane (b) Acetylene + O2 (c) Butane + Isobutane (d) Acetylene + H2

Last Answer : Butane + Isobutane

Which is employed for artificial ripening of banana fruits? (a) Auxin (b) Coumarin (c) Ethylene (d) Cytokinin

Description : Which is employed for artificial ripening of banana fruits? (a) Auxin (b) Coumarin (c) Ethylene (d) Cytokinin

Last Answer : (c) Ethylene

The gas that causes suffocation and death when coal or coke is burnt in a closed room is - (1) Methane (2) Ethane (3) Carbon monoxide (4) Carbon dioxide

Description : The gas that causes suffocation and death when coal or coke is burnt in a closed room is - (1) Methane (2) Ethane (3) Carbon monoxide (4) Carbon dioxide

Last Answer : (3) Carbon monoxide Explanation: Exhaust fumes of motor cars, gases produced, from coal fire in a closed room and coal gas, all contain carbon monoxide, which is the cause of their ... is stable compound. This causes oxygen starvation in the body tissues and eventually causes death by suffocation.

Consider the following pairs Plant hormone Function/Effect 1. Indole-3 acetic acid — Rooting in cuttings 2. Gibberellic acid — Stomatal closure 3. Ethylene — Fruit ripening 4. Zeatin — Cell division Which of the above pairs are correctly matched? Select the correct answer from the following: (a) 1 and 3 (b) 1, 2, and 4 (c) 2 and 4 (d) 1, 2, 3, and 4

Description : Consider the following pairs Plant hormone Function/Effect 1. Indole-3 acetic acid - Rooting in cuttings 2. Gibberellic acid - Stomatal closure 3. Ethylene - Fruit ripening 4. Zeatin - Cell division Which of the above pairs are correctly matched ... 3 (b) 1, 2, and 4 (c) 2 and 4 (d) 1, 2, 3, and 4

Last Answer : Ans:(b)

Which hormone is responsible for fruit ripening? (a) Ethylene (b) Auxin (c) Ethyl chloride (d) Cytokinin

Description : Which hormone is responsible for fruit ripening? (a) Ethylene (b) Auxin (c) Ethyl chloride (d) Cytokinin

Last Answer : (a) Ethylene

Which gas is used for artificial ripening of green fruits?

Description : Which gas is used for artificial ripening of green fruits?

Last Answer : Acetylene (ethyne) ORGANIC CHEMISTRY

The gas liberated in the Bhopal gas tragedy was: (1) Pheynl isocynate (2) Acetylene (3) Ethylene (4) Methyl isocynate

Description : The gas liberated in the Bhopal gas tragedy was: (1) Pheynl isocynate (2) Acetylene (3) Ethylene (4) Methyl isocynate

Last Answer : (4) Methyl isocynate Explanation: The Bhopal gas tragedy involved the leakage of poisonous methyl isocyanate (MIC) gas and other chemicals at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, ... the night of 2-3 December 1984. It is considered the world's worst industrial disaster.

Gobar gas contains mainly – (1) methane (2) ethylene (3) propylene (4) acetylene

Description : Gobar gas contains mainly – (1) methane (2) ethylene (3) propylene (4) acetylene

Last Answer : (1) methane Explanation: Bio gas is a clean unpolluted and cheap source of energy in rural areas. It consists of 55-70% methane which is inflammable. Bio gas is produced from cattle ... ecological balance, in rural sanitation and it needs Lower capital cost and almost cost free maintenance.

The gas liberated in the Bhopal gas tragedy was: (1) Pheynl isocynate (2) Acetylene (3) Ethylene (4) Methyl isocynate

Description : The gas liberated in the Bhopal gas tragedy was: (1) Pheynl isocynate (2) Acetylene (3) Ethylene (4) Methyl isocynate

Last Answer : Methyl isocynate

Gobar gas contains mainly : (1) methane (2) ethylene (3) propylene (4) acetylene

Description : Gobar gas contains mainly : (1) methane (2) ethylene (3) propylene (4) acetylene

Last Answer : methane

Addition of H2 to acetylene gives ethane in presence of palladium but if BaSO4 and quinoline or sulphur are also added, the product is ethane. Why ?

Description : Addition of H2 to acetylene gives ethane in presence of palladium but if BaSO4 and quinoline or sulphur are also added, the product is ethane. Why ?

Last Answer : Ans. BaSO4 + quinoline / s poison the catalyst. Hence, the efficiency of the catalyst decreases and the reaction stops at the first stage of reduction. 

Marsh gas, formed from decaying organic matter and in coal mines is (a) carbon dioxide (b) methane (c) ethane (d) carbon monoxide

Description : Marsh gas, formed from decaying organic matter and in coal mines is (a) carbon dioxide (b) methane (c) ethane (d) carbon monoxide

Last Answer : Ans:(b)

Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Description : Dangerous gas for depletion of ozone layer is: (A)Ethane (B) Methane (C)CFC (D) Carbon-dioxide

Last Answer : (C)CFC

Cokking gas is a mixture of (1) methane and ethylene (2) carbon dioxide and oxygen (3) butane and propane (4) carbon monoxide and carbon dioxide

Description : Cokking gas is a mixture of (1) methane and ethylene (2) carbon dioxide and oxygen (3) butane and propane (4) carbon monoxide and carbon dioxide

Last Answer : butane and propane

Which of the following gases is produced due to incomplete combustion of fuel? (1) Carbon Dioxide (2) Carbon Monoxide (3) Methane (4) Ethane

Description : Which of the following gases is produced due to incomplete combustion of fuel? (1) Carbon Dioxide (2) Carbon Monoxide (3) Methane (4) Ethane

Last Answer : (2) Carbon Monoxide Explanation: Carbon monoxide (CO) is an odorless, colorless gas formed by the incomplete com bustion of fuels. It is produced from the partial oxidation of carbon-containing com pounds; it forms when there is not enough oxygen to produce carbon dioxide.

The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Description : The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Last Answer : (1) chloro fluoro carbon Explanation: A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, hydrogen and fluorine, produced as a volatile derivative of methane and ... R-4104 by the Montreal Protocol because they contribute to ozone depletion in the upper atmosphere.

The depletion of ozone layer is due to (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Description : The depletion of ozone layer is due to (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Last Answer : chloro fluoro carbon

____ fruits produce ethylene gas during ripening. a. Nonclimacteric c. Orange b. Climacteric d. Tree

Description : ____ fruits produce ethylene gas during ripening. a. Nonclimacteric c. Orange b. Climacteric d. Tree

Last Answer : b. Climacteric

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

Out of ethylene and acetylene which is more acidic and why?

Description : Out of ethylene and acetylene which is more acidic and why?

Last Answer : Ans. Acetylene, due to greater electonegativity of the sp hybridised carbon.

1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride

Description : 1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride

Last Answer : Acetaldehyde

The best way to prepare 1,2-Dibromoethane is to treat : (a) Ethylene with Br2 (b) Acetylene with excess of HBr (c) Ethylene with excess of HBr (d) 1,2-Dichloroethane with Br2

Description : The best way to prepare 1,2-Dibromoethane is to treat : (a) Ethylene with Br2 (b) Acetylene with excess of HBr (c) Ethylene with excess of HBr (d) 1,2-Dichloroethane with Br2

Last Answer : Ethylene with Br2

Ethylene and acetylene can be distinguished by using (a) Bromine in CCl4 (b) Tollens' reagent (b) Baeyer's reagent (d) Phenylhydrazine

Description : Ethylene and acetylene can be distinguished by using (a) Bromine in CCl4 (b) Tollens' reagent (b) Baeyer's reagent (d) Phenylhydrazine

Last Answer : Tollens' reagent

1,2-Dichloroethane reacts with excess of NaNH2 to form (a) Vinyl chloride (b) Ethylene (c) Ethyl chloride (d) Acetylene

Description : 1,2-Dichloroethane reacts with excess of NaNH2 to form (a) Vinyl chloride (b) Ethylene (c) Ethyl chloride (d) Acetylene

Last Answer : Acetylene

Which of the following compounds will give only acetaldehyde on ozonolysis? (a) 1-Butene (b) Acetylene (c) 2-Butene (d) Ethylene

Description : Which of the following compounds will give only acetaldehyde on ozonolysis? (a) 1-Butene (b) Acetylene (c) 2-Butene (d) Ethylene

Last Answer : 2-Butene

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

(3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is an odorless, colourless, syrupy, sweettasting liquid. Ethylene glycol is toxic, and ingestion can result in death. Due to its low freezing point ethylene glycol resists freezing. A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).

Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).

Last Answer : Rust is - (1) A mixture of Fe₂O₃ and Fe(OH) ₂ (2) A mixture of FeO and Fe(OH)₂ (3) FeO only (4) A mixture of Fe₂O₃, 3H₂O and FeO

The C–C bond length in benzene is (a) greater than the C–C bond length in ethane. (b) shorter than the C–C bond length in ethylene. (c) Same as that of C–C bond length in ethylene

Description : The C–C bond length in benzene is (a) greater than the C–C bond length in ethane. (b) shorter than the C–C bond length in ethylene. (c) Same as that of C–C bond length in ethylene

Last Answer : intermediate between C–C bond length in ethane and C–C bond length in ethylene

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

Gobar gas contains mainly (a) Carbon dioxide (b) Methane (c) Ethylene (d) Carbon monoxide

Description : Gobar gas contains mainly (a) Carbon dioxide (b) Methane (c) Ethylene (d) Carbon monoxide

Last Answer : Ans:(b)

99.5% purity oxygen is used in (A) Cutting and welding by oxy-acetylene flame (B) Hospitals for medicinal purposes (C) Gas masks and artificial breathing apparatus (D) All (A), (B), and (C)

Description : 99.5% purity oxygen is used in (A) Cutting and welding by oxy-acetylene flame (B) Hospitals for medicinal purposes (C) Gas masks and artificial breathing apparatus (D) All (A), (B), and (C)

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

Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above

Description : Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above

Last Answer : All of the above

Ozone hole is caused by a) Acetylene b) Ethylene c) Chlorofluorocarbons d) Methane.

Description : Ozone hole is caused by a) Acetylene b) Ethylene c) Chlorofluorocarbons d) Methane.

Last Answer : c) Chlorofluorocarbons

The hormone responsible for ripening of fruits is (a) Ethylene (b) Cytokinin (c) Auxin (d) ABA

Description : The hormone responsible for ripening of fruits is (a) Ethylene (b) Cytokinin (c) Auxin (d) ABA

Last Answer : Ans. ((a))

Which plant growth regulator is used for ripening? a) GA b) IBA c) Ethylene d) Cytokinin

Description : Which plant growth regulator is used for ripening? a) GA b) IBA c) Ethylene d) Cytokinin

Last Answer : c) Ethylene