Why is sodium metal kept under kerosene oil ?

Why is sodium metal kept under kerosene oil ?
by

1 Answer

Answer :

Ans. Sodium metal is highly reactive and combines with air forming sodium oxide.
by

Related questions

why sodium is less reactive than potassium?

Description : why sodium is less reactive than potassium?

Last Answer : Ans. The ionization enthalpy of potassium is less than that of sodium and the electrode potential of Potassium (-2.95 V) is more negative than that of sodium (-2.71 V) and hence sodium is less reactive than potassium.

When a cation is highly polarizing ? Which alkali metal cation has the highest polarizing power ?

Description : When a cation is highly polarizing ? Which alkali metal cation has the highest polarizing power ?

Last Answer : Ans. A cation is highly polarizing if its charge/size ratio is very high.Li+ has the highest polarizing power .

Name the alkali metal which forms only the normal oxide on heating with air ?

Description : Name the alkali metal which forms only the normal oxide on heating with air ?

Last Answer : Ans. Li.

Name the alkali metal which shows diagonal relationship with Mg?

Description : Name the alkali metal which shows diagonal relationship with Mg?

Last Answer : Ans.Li

what are the common physical features of alkali metals?

Description : what are the common physical features of alkali metals?

Last Answer : Ans. Large Atomic and ionic radii, Low ionization enthalpies, metallic character, low melting and boiling Point, form ionic bond, low density,show flame coloration ,photoelectric effect.

Why are potassium and caesium, rather than lithium used in photoelectric cells ?

Description : Why are potassium and caesium, rather than lithium used in photoelectric cells ?

Last Answer : Ans. Potassium and caesium have much lower ionization enthalpy than that of lithium. As a result, these metals on exposure to light, easily emit electrons but lithium does not. Therefore, K and Cs rather than Li are used in photoelectric cells

What are the raw material used for the manufacture of washing soda by solvay process ?

Description : What are the raw material used for the manufacture of washing soda by solvay process ?

Last Answer : Ans. Nacl, CaCO3 and NH3

Name the chief factor responsible for the anomalous behavior of lithium.

Description : Name the chief factor responsible for the anomalous behavior of lithium.

Last Answer : Ans. High polarizing power (charge/size ratio).

What happens when KO2 reacts with water ?

Description : What happens when KO2 reacts with water ?

Last Answer : Ans. 2 KO2 + 2H2O ------> 2 KOH + H2O2 + O2

White phosphorus is generally kept under – (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Description : White phosphorus is generally kept under – (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Last Answer : (2) Water Explanation: White phosphorous is kept under water because it reacts with oxygen but not water. Besides, it is insoluble in water. It presents a significant fire hazard due to its extreme reactivity with atmospheric oxygen.

White phosphorus is generally kept under (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Description : White phosphorus is generally kept under (1) Alcohol (2) Water (3) Glycerine (4) Kerosene oil

Last Answer : Water

Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Description : Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Last Answer : (1) Sodium Explanation: Sodium is a very reactive metal. It reacts vigorously with oxygen and water. A lot of heat is generated in this process. Therefore, it is stored in kerosene to avoid contacts between either atmospheric oxygen or water.

Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Description : Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Last Answer : Sodium

Potassium is kept & transported under (A) Water (B) Liquid ammonia (C) Kerosene oil (D) Alcohol

Description : Potassium is kept & transported under (A) Water (B) Liquid ammonia (C) Kerosene oil (D) Alcohol

Last Answer : (C) Kerosene oil

Name the following: (a) A metal, which is preserved in kerosene. (b) A lustrous coloured non-metal. (c) A metal, which can melt while kept on palm. (d) A metal, which is a poor conductor of heat. -Chemistry

Description : Name the following: (a) A metal, which is preserved in kerosene. (b) A lustrous coloured non-metal. (c) A metal, which can melt while kept on palm. (d) A metal, which is a poor conductor of heat. -Chemistry

Last Answer : a) Sodium is preserved in kerosene. (b) Iodine is lustrous coloured non-metal. (c) Gallium. ‘ (d) Lead.

White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Description : White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Last Answer : (4) water Explanation: White phosphorus is a material made from a common allotrope of the chemical element phosphorus that is used in smoke, tracer, illumination and incendiary munitions. Other common names include WP ... on fire, and cause serious burns or death and that is why it is kept in water.

White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Description : White phosphorus is always kept under (1) benzene (2) kerosene (3) ether (4) water

Last Answer : water

Which of the following metals is stored in kerosene oil? (1) Platinum (2) Copper (3) Sodium (4) Gold

Description : Which of the following metals is stored in kerosene oil? (1) Platinum (2) Copper (3) Sodium (4) Gold

Last Answer : (3) Sodium Explanation: Owing to its extreme reactivity, sodium occurs in nature only combined in compounds never as a pure elemental metal.

1. Funds belonging to the Government of India are kept in which fund? 2. Why does Kerosene oil rise up in the wick of lantern? 3. Where is the headquarters of Food and Agriculture Organisation? 4. Xerophytes are plants which can grow in regions having how moisture? 5. Of which influence does the sculptures of the Gandhara school reflect?

Description : 1. Funds belonging to the Government of India are kept in which fund? 2. Why does Kerosene oil rise up in the wick of lantern? 3. Where is the headquarters of Food and Agriculture Organisation? ... 19. Which feature is the product of vulcanicity? 20. From where was the term Congress' derived?

Last Answer : Answer : 1 1. Consolidated Fund of India 2. Because of surface tension 3. Rome 4. Low moisture 5. Greeks 6. Income 7. Calcium and iron 8. Habeas Corpus 9. Equator 10. Spinning wheel 11. Na2 CO3 12. ... a type of garment 16. Brain 17. 24 18. Less than 90° 19. Caldera 20. The History of North America

Sodium metal is kept under which liquid

Description : Sodium metal is kept under which liquid

Last Answer : Kerosene

Which are the two metals kept in kerosene?

Description : Which are the two metals kept in kerosene?

Last Answer : Sodium; Potassium

Which one of the following petroleum refinery products has the lowest boiling point? (1) Kerosene (2) Gasoline (3) Diesel (4) Lubricating oil

Description : Which one of the following petroleum refinery products has the lowest boiling point? (1) Kerosene (2) Gasoline (3) Diesel (4) Lubricating oil

Last Answer : (4) Lubricating oil Explanation: Lubricating oil is the most commonly used lubricant because of its wide range of possible applications. The two basic categories of lube oil are mineral and synthetic.

Which of the following is used to remove ink and rust stains on cloth? (1) Oxalic acid (2) Alcohol (3) Ether (4) Kerosene oil

Description : Which of the following is used to remove ink and rust stains on cloth? (1) Oxalic acid (2) Alcohol (3) Ether (4) Kerosene oil

Last Answer : (1) Oxalic acid Explanation: Oxalic acid is a reducing agent and its conjugate base, known as oxalate, is a chelating agent for metal cations and stain removal. Oxalic acid's main applications include cleaning or bleaching, removal of stains on clothes and the removal of rust.

Soap is prepared by boiling caustic soda with – (1) Alcohol (2) Kerosene oil (3) Glycerine (4) Fats

Description : Soap is prepared by boiling caustic soda with – (1) Alcohol (2) Kerosene oil (3) Glycerine (4) Fats

Last Answer : (4) Fats Explanation: The most basic kind of soap is made from cuastic soda and animal fat. The two are heated together, and then cooled. The process is called "saponification". In technical ... hydrolysis of triglyeerides which are esters of fatty acids, to form the sodium salt, of a carboxylate.

Octane number is related to (a) Gasoline (b) Kerosene oil (c) Diesel oil (d) Lubricating oi

Description : Octane number is related to (a) Gasoline (b) Kerosene oil (c) Diesel oil (d) Lubricating oi

Last Answer : Gasoline

Which of the following is used to remove ink and rust stains on cloth? (1) Oxalic acid (2) Alcohol (3) Ether (4) Kerosene oil

Description : Which of the following is used to remove ink and rust stains on cloth? (1) Oxalic acid (2) Alcohol (3) Ether (4) Kerosene oil

Last Answer : Oxalic acid

Soap is prepared by boiling caustic soda with (1) Alcohol (2) Kerosene oil (3) Glycerine (4) Fats

Description : Soap is prepared by boiling caustic soda with (1) Alcohol (2) Kerosene oil (3) Glycerine (4) Fats

Last Answer : Fats

Why is sodium preserved in kerosene?

Description : Why is sodium preserved in kerosene?

Last Answer : Sodium is highly reactive in air. It reacts with air gradually forming sodium carbonate. It catches fire and burns when exposed to air. It does not react with kerosene so sodium is preserved in kerosene.

__________ is the most suitable lubricant for drawing mild steel wires? (A) Kerosene (B) Water (C) Sodium stearate (D) Lime water

Description : __________ is the most suitable lubricant for drawing mild steel wires? (A) Kerosene (B) Water (C) Sodium stearate (D) Lime water

Last Answer : (C) Sodium stearate

What kind of substances are water , oil , kerosene ?

Description : What kind of substances are water , oil , kerosene ?

Last Answer : Water , oil , kerosene are liquids.

How is kerosene oil made ?

Last Answer : No one can make kerosene. It is made naturally.

Which of the following is the lightest and most volatile liquid fuel A. diesel B. kerosene C. fuel oil D. gasoline

Description : Which of the following is the lightest and most volatile liquid fuel A. diesel B. kerosene C. fuel oil D. gasoline

Last Answer : ANSWER : D

Which of the following is the lightest and most volatile liquid fuel? a. diesel b. kerosene c. gasoline d. fuel oil

Description : Which of the following is the lightest and most volatile liquid fuel? a. diesel b. kerosene c. gasoline d. fuel oil

Last Answer : ANSWER c. gasoline

The fuel -substance that causes minimum atmospheric pollution is (a) hydrogen (b) kerosene oil (c) coke (d) gasoline

Description : The fuel -substance that causes minimum atmospheric pollution is (a) hydrogen (b) kerosene oil (c) coke (d) gasoline

Last Answer : Ans:(a)

On the administered price of which of the following articles no subsidy is given? (1) DAP (2) ATF (3) LPG (4) Kerosene oil

Description : On the administered price of which of the following articles no subsidy is given? (1) DAP (2) ATF (3) LPG (4) Kerosene oil

Last Answer : (2) ATF Explanation: In India, no subsidy is given to Aviation Turbine Fuel (ATF). Indian Oil Aviation Service is a leading aviation fuel solution provider in India and the most-preferred supplier of ... . Combined with a high base price, fuel now represents 45-55% of a carrier's operating costs.

Why does Kerosene oil rise up in the wick of lantern?

Description : Why does Kerosene oil rise up in the wick of lantern?

Last Answer : Because of surface tension

Carbon/hydrogen ratio (by weight) is maximum (out of following) for (A) Gasoline (B) Kerosene (C) Light gas oil (D) Heavy fuel oil

Description : Carbon/hydrogen ratio (by weight) is maximum (out of following) for (A) Gasoline (B) Kerosene (C) Light gas oil (D) Heavy fuel oil

Last Answer : (A) Gasoline

Visbreaking process is used mainly for making (A) High cetane diesel (B) High octane gasoline (C) Fuel oil (D) Smoke free kerosene

Description : Visbreaking process is used mainly for making (A) High cetane diesel (B) High octane gasoline (C) Fuel oil (D) Smoke free kerosene

Last Answer : (C) Fuel oil

Which of the following has the lowest viscosity (at a given temperature) of all? (A) Naphtha (B) Kerosene (C) Diesel (D) Lube oil

Description : Which of the following has the lowest viscosity (at a given temperature) of all? (A) Naphtha (B) Kerosene (C) Diesel (D) Lube oil

Last Answer : (A) Naphtha

Which of the following has the maximum °API gravity of all? (A) Diesel(B) Kerosene(C) Petrol(D) Furnace oil

Description : Which of the following has the maximum °API gravity of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oil

Last Answer : (C) Petrol

Which of the following contains maximum sulphur? (A) Diesel (B) Petrol (C) Kerosene (D) Fuel oil

Description : Which of the following contains maximum sulphur? (A) Diesel (B) Petrol (C) Kerosene (D) Fuel oil

Last Answer : (D) Fuel oil

A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. (A) 4 (B) 10 (C) 18 (D) 26

Description : A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. (A) 4 (B) 10 (C) 18 (D) 26

Last Answer : (B) 10

The main use of heavy gas oil produced by the vacuum distillation unit is as a (A) Blending component for kerosene (B) Blending component for petrol (C) Feedstock for fluid catalytic cracking unit (D) None of these

Description : The main use of heavy gas oil produced by the vacuum distillation unit is as a (A) Blending component for kerosene (B) Blending component for petrol (C) Feedstock for fluid catalytic cracking unit (D) None of these

Last Answer : (C) Feedstock for fluid catalytic cracking unit

Which of the following petroleum products contain minimum sulphur? (A) Naphtha (B) Kerosene (C) LSHS (D) Furnace oil

Description : Which of the following petroleum products contain minimum sulphur? (A) Naphtha (B) Kerosene (C) LSHS (D) Furnace oil

Last Answer : (A) Naphtha

Aromatics are desired constituents of (A) Lubricating oil (B) Diesel (C) Kerosene (D) Petrol

Description : Aromatics are desired constituents of (A) Lubricating oil (B) Diesel (C) Kerosene (D) Petrol

Last Answer : (D) Petrol

Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. (A) 1 (B) 20 (C) 100 (D) 500

Description : Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene. (A) 1 (B) 20 (C) 100 (D) 500

Last Answer : (B) 20

Which of the following has the minimum °API gravity of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oil

Description : Which of the following has the minimum °API gravity of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oil

Last Answer : (D) Furnace oil

Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C? (A) Naphtha (B) Petrol (C) Kerosene (D) Heavy fuel oil

Description : Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C? (A) Naphtha (B) Petrol (C) Kerosene (D) Heavy fuel oil

Last Answer : (D) Heavy fuel oil

To make a solution for filling radiator one bag of washing soda and 0.5 kg of kerosene oil should be added in water amounting a) 6 kg b) 8 k8 c ) 10 kg d) 12 kg

Description : To make a solution for filling radiator one bag of washing soda and 0.5 kg of kerosene oil should be added in water amounting a) 6 kg b) 8 k8 c ) 10 kg d) 12 kg

Last Answer : c ) 10 kg

Which of the following is not a manufactured fuel? (A) Furnace oil (B) Bagasse (C) Semi-coke (D) Kerosene

Description : Which of the following is not a manufactured fuel? (A) Furnace oil (B) Bagasse (C) Semi-coke (D) Kerosene

Last Answer : (B) Bagasse