By which a mixture of sand and naphthalene can be separated? -General Knowledge

By which a mixture of sand and naphthalene can be separated? -General Knowledge
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1 Answer

Answer :

The answer is 'Sublimation'
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By which a mixture of sand and naphthalene can be separated?

Description : By which a mixture of sand and naphthalene can be separated?

Last Answer : Sublimation

1. Which act made the Indian Legislature bicameral? 2. By which a mixture of sand and naphthalene can be separated? 3. The ‘Uruguay Round’ negotiations resulted in the establishment of which organization? 4. Durand line is the border common to which two countries? 5. Who stated that there was no slavery in India ?

Description : 1. Which act made the Indian Legislature bicameral? 2. By which a mixture of sand and naphthalene can be separated? 3. The Uruguay Round' negotiations resulted in the establishment of which organization? 4 ... by the largest number of people in India? 20. Which was the first metal used by man?

Last Answer : Answer : 1. Government of India Act, 1919 2. Sublimation 3. WTO 4. Pakistan and Afghanistan 5. Megasthenes 6. Sonar Killa 7. Medulla oblangata 8. At the first instance two months 9. Mongolia, Zambia, Bolivia ... 15. Hoogly 16. Ultrasound 17. Articles 20 and 21 18. Pine oil 19. Indo-Aryan 20. Copper

By which a mixture of naphthalene and benzoic acid can be separated? -Do You Know?

Description : By which a mixture of naphthalene and benzoic acid can be separated? -Do You Know?

Last Answer : answer:

By which a mixture of naphthalene and benzoic acid can be separated?

Description : By which a mixture of naphthalene and benzoic acid can be separated?

Last Answer : Chromatography

By which a mixture of naphthalene and benzoic acid can be separated?

Description : By which a mixture of naphthalene and benzoic acid can be separated?

Last Answer : Chromatography

A fuel of cetane number 40 has the same ignition quality as a mixture of a) 40% cetane and 60% alpha methyl naphthalene b) 40% alpha methyl naphthalene and 60% cetane c) 40% petrol and 60% diesel d) 40% diesel and 60% petrol

Description : A fuel of cetane number 40 has the same ignition quality as a mixture of a) 40% cetane and 60% alpha methyl naphthalene b) 40% alpha methyl naphthalene and 60% cetane c) 40% petrol and 60% diesel d) 40% diesel and 60% petrol

Last Answer : Answer: a Explanation: A fuel of cetane number 40 has the same ignition quality as a mixture of 40% cetane and 60% alpha methyl naphthalene as cetane number is counted on cetane percentage.

Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? (A) Benzol (B) Pitch-creosote mixture (PCM) (C) Naphthalene (D) Ethylene

Description : Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? (A) Benzol (B) Pitch-creosote mixture (PCM) (C) Naphthalene (D) Ethylene

Last Answer : (D) Ethylene

Cumene (isopropyl benzene) is made by (A) Oxidation of naphthalene (B) Propylene alkylation of benzene (C) Polymerisation of a mixture of benzene & propylene (D) None of these

Description : Cumene (isopropyl benzene) is made by (A) Oxidation of naphthalene (B) Propylene alkylation of benzene (C) Polymerisation of a mixture of benzene & propylene (D) None of these

Last Answer : (B) Propylene alkylation of benzene

A mixture of camphor and benzoic acid can be easily separated by which method? -General Knowledge

Description : A mixture of camphor and benzoic acid can be easily separated by which method? -General Knowledge

Last Answer : The answer is 'Chemical method'

A mixture of camphor and benzoic acid can be easily separated by which method? -General Knowledge

Description : A mixture of camphor and benzoic acid can be easily separated by which method? -General Knowledge

Last Answer : Camphor is a sublime solid, hence mixture of camphor and benzoic acid can be separated by sublimation when benzoic acid remains in the pot while camphor vapourise and collected separately.

Sand from water is separated by -Science

Description : Sand from water is separated by -Science

Last Answer : When sand is added to water it either hangs in the water or forms a layer at the bottom of the container. Sand therefore does not dissolve in water and is insoluble. It is easy to separate sand and water by filtering the mixture. Salt can be separated from a solution through evaporation.

What is A homogeneous mixture of two or more substances that cannot be separated?

Description : What is A homogeneous mixture of two or more substances that cannot be separated?

Last Answer : Feel Free to Answer

Consider the following statements: 1. Carbyne is an allotrope of carbon. 2. Gasoline, used as a fuel in motor vehicles is a mixture of petrol and alcohol. 3. Petroleum is also known as 'liquid gold'. 4. The various components of crude oil are separated by fractional distillation. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Carbyne is an allotrope of carbon. 2. Gasoline, used as a fuel in motor vehicles is a mixture of petrol and alcohol. 3. Petroleum is also known as 'liquid gold'. 4. The various components of crude ... (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Last Answer : Ans:(b)

A mixture of water and alcohol can be separated by – (1) Filtration (2) Evaporation (3) Decantation (4) Distillation

Description : A mixture of water and alcohol can be separated by – (1) Filtration (2) Evaporation (3) Decantation (4) Distillation

Last Answer : (4) Distillation Explanation: A mixture of water and alcohol is separated by the process of distillation. At 780C, alcohol starts to vaporize. The vapours are condensed in the condenser and alcohol is collected in the receiver.

Iron filings can be separated from a heterogenous mixture using the technique of (1) Sublimation (2) Magnetization (3) Sedimentation (4) Evaporation

Description : Iron filings can be separated from a heterogenous mixture using the technique of (1) Sublimation (2) Magnetization (3) Sedimentation (4) Evaporation

Last Answer : (2) Magnetization Explanation: The method of separation using magnets is used when one of the components is magnetic. So the heterogeneous mixture of iron filings and some other material (such as sulphur ... by using magnets. Similarly, a mixture of sand and iron filings can be separated by magnet.

Iodine can be separated from a mixture of Iodine and Potassium Chloride by - (1) Filtration (2) Sublimation (3) Distillation (4) Sedimentation

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by - (1) Filtration (2) Sublimation (3) Distillation (4) Sedimentation

Last Answer : (2) Sublimation Explanation: Iodine can be separated from a mixture of Iodine and Potassium Chloride by Sublimation. Sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

Iodine can be separated from a mixture of Iodine and Potassium Chloride by – (1) sedimentation (2) filtration (3) sublimation (4) distillation

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by – (1) sedimentation (2) filtration (3) sublimation (4) distillation

Last Answer : (3) sublimation Explanation: Iodine is well known to sublime (change from solid to gas without becoming liquid in between) when heated. However sodium chloride has a melting point much higher ... by using a sublimation apparatus, with solid iodine collected by condensation on a cold surface.

Water can be separated from alcohol water mixture by – (1) decantation (2) evaporation (3) distillation (4) sublimation

Description : Water can be separated from alcohol water mixture by – (1) decantation (2) evaporation (3) distillation (4) sublimation

Last Answer : (3) distillation Explanation: Distillation is a method of separating mixtures based on differences in volatilities of components in a boiling liquid mixture. Distillation is a unit operation, or a ... is distilled to separate its components- notably oxygen, nitrogen, and argon- for industrial use.

A mixture of water and alcohol can be separated by - (1) Filtration (2) Evaporation (3) Distillation (4) Decantation

Description : A mixture of water and alcohol can be separated by - (1) Filtration (2) Evaporation (3) Distillation (4) Decantation

Last Answer : (3) Distillation Explanation: Simple distillation is a procedure by which two liquids with different boiling points can be separated.

A mixture of camphor and benzoic acid can be easily separated by which method?

Description : A mixture of camphor and benzoic acid can be easily separated by which method?

Last Answer : Chemical method

Fenske equation for determining the minimum number of theoretical stages in distillation column holds good, when the (A) Relative volatility is reasonably constant (B) Mixture (to be separated) shows negative deviation from ideality (C) Mixture (to be separated) shows positive deviation from ideality (D) Multi-component distillation is involved

Description : Fenske equation for determining the minimum number of theoretical stages in distillation column holds good, when the (A) Relative volatility is reasonably constant (B) Mixture (to be separated) ... (to be separated) shows positive deviation from ideality (D) Multi-component distillation is involved

Last Answer : (A) Relative volatility is reasonably constant

Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation. (A) Molecular (B) Extractive (C) Steam (D) Simple

Description : Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation. (A) Molecular (B) Extractive (C) Steam (D) Simple

Last Answer : (D) Simple

In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated. (A) Molecular (B) Azeotropic (C) Extractive

Description : In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated. (A) Molecular (B) Azeotropic (C) Extractive

Last Answer : (C) Extractive

A binary mixture of benzene and cyclohexane is separated by (A) Flash vaporisation (B) Extractive distillation (C) Solvent extraction (D) Ordinary distillation

Description : A binary mixture of benzene and cyclohexane is separated by (A) Flash vaporisation (B) Extractive distillation (C) Solvent extraction (D) Ordinary distillation

Last Answer : (B) Extractive distillation

Steam distillation is not recommended to be used, if the (A) Azeotropic mixture is to be separated and the final product is miscible with water (B) Liquids decompose, if distilled directly at atmospheric pressure (C) Material cannot be distilled by indirect heating even under low pressure, because of the high boiling temperature (D) Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature

Description : Steam distillation is not recommended to be used, if the (A) Azeotropic mixture is to be separated and the final product is miscible with water (B) Liquids decompose, if ... unstable or has the tendency to react with other components associated with it, at the boiling temperature

Last Answer : (A) Azeotropic mixture is to be separated and the final product is miscible with water

Benzoic acid and diphenyl ketone are both solids insoluble in water. A mixture of these compounds can be separated if we (a) add the mixture to a solution of NaOH in water, and filter. (b) add the mixture to a solution of HCl in water, and filter. (c) dissolve the mixture in benzene and boil off the benzene. (d) It is impossible to separate a mixture of two solids when both are insoluble in water.

Description : Benzoic acid and diphenyl ketone are both solids insoluble in water. A mixture of these compounds can be separated if we (a) add the mixture to a solution of NaOH in water, and filter. (b) add ... benzene. (d) It is impossible to separate a mixture of two solids when both are insoluble in water.

Last Answer : add the mixture to a solution of NaOH in water, and filter

Iron filings can be separated from a heterogenous mixture using the technique of : (1) Sublimation (2) Magnetization (3) Sedimentation (4) Evaporation

Description : Iron filings can be separated from a heterogenous mixture using the technique of : (1) Sublimation (2) Magnetization (3) Sedimentation (4) Evaporation

Last Answer : Magnetization

A mixture of water and alcohol can be separated by (1) Filtration (2) Evaporation (3) Decantation (4) Distillation

Description : A mixture of water and alcohol can be separated by (1) Filtration (2) Evaporation (3) Decantation (4) Distillation

Last Answer : Distillation

Iodine can be separated from a mixture of Iodine and Potassium Chloride by (1) sedimentation (2) filtration (3) sublimation (4) distillation

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by (1) sedimentation (2) filtration (3) sublimation (4) distillation

Last Answer : sublimation

Water can be separated from alcohol water mixture by (1) decantation (2) evaporation (3) distillation (4) sublimation

Description : Water can be separated from alcohol water mixture by (1) decantation (2) evaporation (3) distillation (4) sublimation

Last Answer : distillation

A mixture of salt, sand and water is given, which of these sequence can be used to separate salt -Science

Description : A mixture of salt, sand and water is given, which of these sequence can be used to separate salt -Science

Last Answer : Filtration -> Evaporation -> Condensation

Are sand and potting soil both mixture?

Description : Are sand and potting soil both mixture?

Last Answer : well yes they are if you read in your science book you will find out why

If you had a bucket that contained a mixture of sand and sea shells how might you use the physical properties of the seashells to separate them from the sand?

Description : If you had a bucket that contained a mixture of sand and sea shells how might you use the physical properties of the seashells to separate them from the sand?

Last Answer : Try to use a sieve.

How might you separate a mixture iron shavings and sand by using their differing physical properties?

Description : How might you separate a mixture iron shavings and sand by using their differing physical properties?

Last Answer : You would use a magnet and the magnet will attract the ironsince its magnetic the sand would stay michael Zender

Are marbles sand and water a mixture or a solution?

Description : Are marbles sand and water a mixture or a solution?

Last Answer : Sand, marbles, and water can be a mixture.

How do you separate a mixture of sand and iron filings and gold dust?

Description : How do you separate a mixture of sand and iron filings and gold dust?

Last Answer : Iron can be extracted with a magnet.Gold is exrtracted with Mercury.

How to separate pieces of copper wire from a mixture of wood chips, sand and salt?

Description : How to separate pieces of copper wire from a mixture of wood chips, sand and salt?

Last Answer : Separating Salt and Sand Using Solubility Pour the salt and sand mixture into a pan. Add water. ... Heat the water until the salt dissolves. ... Remove the pan from heat and allow it to cool until it's safe to handle. Pour the salt water into a separate container. Now collect the sand.

The soil which is a mixture of sand, clay and silt is known as: (a) loamy soil (b) sandy soil (c) clayey soil (d) desert soil

Description : The soil which is a mixture of sand, clay and silt is known as: (a) loamy soil (b) sandy soil (c) clayey soil (d) desert soil

Last Answer : Ans: (a)

Match the following : A. Chernozems 1. Rich in calcium carbonate B. Black soil 2. Contains aluminium compound C. Laterite 3. Richest soils in the world D. Terra Rosa 4. Formed in limestone E. Alluvial soil 5. It is a mixture of clay, sand and silt A B C D E (a) 1 2 3 4 5 (b) 3 1 2 4 5 (c) 4 5 3 1 2 (d) 3 4 5 2 1

Description : Match the following : A. Chernozems 1. Rich in calcium carbonate B. Black soil 2. Contains aluminium compound C. Laterite 3. Richest soils in the world D. Terra Rosa 4. Formed in limestone E. Alluvial soil 5. It is a mixture of clay, sand and ... 1 2 3 4 5 (b) 3 1 2 4 5 (c) 4 5 3 1 2 (d) 3 4 5 2 1

Last Answer : Ans: (b)

Gunpowder consists of a mixture of (a) potassium nitrate and TNT (b) Sulphur, sand and charcoal (c) nitre, Sulphur and charcoal (d) TNT and charcoal

Description : Gunpowder consists of a mixture of (a) potassium nitrate and TNT (b) Sulphur, sand and charcoal (c) nitre, Sulphur and charcoal (d) TNT and charcoal

Last Answer : Ans:(c)

Diamond is chemically (a) a mixture of metal carbonates (b) pure carbon (c) a pure form of sand (d) a mixture of calcium and magnesium phosphates

Description : Diamond is chemically (a) a mixture of metal carbonates (b) pure carbon (c) a pure form of sand (d) a mixture of calcium and magnesium phosphates

Last Answer : Ans:(b)

Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Description : Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : (1) Slaked lime Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. The blocks may be stone, brick, cinder blocks, etc. Mortar becomes hard ... Mortar can also be used to fix, or point, masonry when the original mortar has washed away.

Gunpowder consits of a mixture of – (1) sand and TNT (2) TNT and charcoal (3) nitre, sulphur and charcoal (4) sulphur, sand and charcoal

Description : Gunpowder consits of a mixture of – (1) sand and TNT (2) TNT and charcoal (3) nitre, sulphur and charcoal (4) sulphur, sand and charcoal

Last Answer : (3) nitre, sulphur and charcoal Explanation: Gunpowder, also known since the late 19th century as black powder, was the first chemical explosive and the only one known until the mid-1800s. ... gunpowder has been widely used as a propellant in firearms and as a pyrotechnic composition in fireworks.

A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is (A) 0.50 (B) 0.58 (C) 0.68 (D) 0.62

Description : A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is (A) 0.50 (B) 0.58 (C) 0.68 (D) 0.62

Last Answer : (A) 0.50

Glass is made of the mixture of-------? A. Quartz and Mica B. Sand and Salt C. Sand and Silicates (Answer) D. None of these

Description : Glass is made of the mixture of-------? A. Quartz and Mica B. Sand and Salt C. Sand and Silicates (Answer) D. None of these

Last Answer : C. Sand and Silicates (Answer)

The liquid used for the washing of coal in an industrial coal washery is a mixture of water and (A) Carbon tetrachloride (B) Sand (40%) (C) Mineral oil of high viscosity & specific gravity (1.6) (D) None of these

Description : The liquid used for the washing of coal in an industrial coal washery is a mixture of water and (A) Carbon tetrachloride (B) Sand (40%) (C) Mineral oil of high viscosity & specific gravity (1.6) (D) None of these

Last Answer : (B) Sand (40%)

Heating a mixture of phosphate rock, coke and sand in an electric furnace produces (A) Phosphoric acid (B) Ammonium phosphate (C) Phosphorous (D) Superphosphate

Description : Heating a mixture of phosphate rock, coke and sand in an electric furnace produces (A) Phosphoric acid (B) Ammonium phosphate (C) Phosphorous (D) Superphosphate

Last Answer : (C) Phosphorous

A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous. (A) Salt & coke (B) Sand & coke (C) And coke (D) And sand

Description : A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous. (A) Salt & coke (B) Sand & coke (C) And coke (D) And sand

Last Answer : (B) Sand & coke

Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Description : Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above

Last Answer : (D) All the above

Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Description : Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : Slaked lime