How separate the sand and camphor by sublimation process?

How separate the sand and camphor by sublimation process?
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Sublimation of camphor occur faster by heating and sand remain.
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Camphor can easily be purified by the process of (a) Sublimation (b) Distillation (c) Crystallisation (d) Sedimentation

Description : Camphor can easily be purified by the process of (a) Sublimation (b) Distillation (c) Crystallisation (d) Sedimentation

Last Answer : Ans:(a)

Consider the following changes: 1. Curdling of milk 2. Sublimation of camphor 3. Drying of paint 4. Oxidation of SO2 to SO3 The chemical changes 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 changes: 1. Curdling of milk 2. Sublimation of camphor 3. Drying of paint 4. Oxidation of SO2 to SO3 The chemical changes 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

Last Answer : Ans:(b)

Which of the following cannot be purified by sublimation? (a) Iodine (b) Camphor (c) Citric acid (d) Naphthalene

Description : Which of the following cannot be purified by sublimation? (a) Iodine (b) Camphor (c) Citric acid (d) Naphthalene

Last Answer : Ans:(c)

Impure camphor is purified by (1) sublimation (2) fractional crystallisation (3) fractional distillation (4) steam distillation

Description : Impure camphor is purified by (1) sublimation (2) fractional crystallisation (3) fractional distillation (4) steam distillation

Last Answer : sublimation

Which of the following method is used to separate a mixture of salt and camphor? -Science

Description : Which of the following method is used to separate a mixture of salt and camphor? -Science

Last Answer : Sublimation is a technique used to separate the components of a mixture containing a sublimable volatile solid and a non-sublimable impurity. Therefore, the mixture of camphor and sodium chloride can be separated by the process of sublimation.

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

Which method is used to separate pebbles and stones from sand? -Science

Description : Which method is used to separate pebbles and stones from sand? -Science

Last Answer : Sieving is a process by which fine particles are separated from bigger particles by using a sieve. It is used in flour mill or at construction sites. In flour mill, impurities like husks and stones are removed from wheat. Pebbles and stones are removed from sand by sieving.

How do you separate clean sand with little bits of iron wire?

Description : How do you separate clean sand with little bits of iron wire?

Last Answer : with a magnet

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

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.

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

Common salt is obtained from sea water by the process of (a) sublimation (b) evaporation (c) crystallisation (d) filtration

Description : Common salt is obtained from sea water by the process of (a) sublimation (b) evaporation (c) crystallisation (d) filtration

Last Answer : Ans:(b)

Iron is prevented from rusting by coating with zinc. This process is called as – (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Description : Iron is prevented from rusting by coating with zinc. This process is called as – (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Last Answer : (1) Galvanisation Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, in order to prevent rusting. The term is derived from the name of Italian scientist Luigi ... is hot-dip galvanization, in which steel parts are sub-merged in a bath of molten zinc.

The process of dissolving an acid or a base in water is a highly - (1) Exothermic reaction (2) Endothermic reaction (3) Sublimation reaction (4) Redux reaction

Description : The process of dissolving an acid or a base in water is a highly - (1) Exothermic reaction (2) Endothermic reaction (3) Sublimation reaction (4) Redux reaction

Last Answer : (1) Exothermic reaction Explanation: The process of dissolving an acid or a base in water is a highly exothermic one. This is why care must be taken while mixing concentrated nitric acid or sulphuric acid with water.

Which type of intermolecular forces are effected in each of the following process: (i)Sublimation of iodine. (ii)Evaporation of water.

Description : Which type of intermolecular forces are effected in each of the following process: (i)Sublimation of iodine. (ii)Evaporation of water.

Last Answer : Ans. (i) Sublimation of iodine : Dispersion forces. (ii)Evaporation of water : Hydrogen bond.

The process employing desorption of the absorbed solute by a solvent is called (A) Elution (B) Osmosis (C) Reverse osmosis (D) Sublimation

Description : The process employing desorption of the absorbed solute by a solvent is called (A) Elution (B) Osmosis (C) Reverse osmosis (D) Sublimation

Last Answer : (A) Elution

A process in which heat energy is transferred by the flow of fluid.  a. Convection  b. Conduction  c. Radiation  d. Sublimation

Description : A process in which heat energy is transferred by the flow of fluid.  a. Convection  b. Conduction  c. Radiation  d. Sublimation

Last Answer : Convection

The process of a solid converting directly into a gas is called: w) fusion x) sublimation y) condensation z) distillation

Description : The process of a solid converting directly into a gas is called: w) fusion x) sublimation y) condensation z) distillation

Last Answer : ANSWER: X -- SUBLIMATION 

Copper is refined commercially by a process of: w) smelting x) electrolysis y) sublimation z) roasting

Description : Copper is refined commercially by a process of: w) smelting x) electrolysis y) sublimation z) roasting

Last Answer : ANSWER: X -- ELECTROLYSIS

Iron is prevented from rusting by coating with zinc. This process is called as (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Description : Iron is prevented from rusting by coating with zinc. This process is called as (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Last Answer : Galvanisation

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.

Why is camphor called volatile substance ?

Description : Why is camphor called volatile substance ?

Last Answer : When heat is applied to a solid, it is directly from the solid to the gaseous state called their volatile substance. When camphor is heated, it does not turn into a liquid, but directly evaporates camphor , hence camphor is a volatile substance.

What is the function of camphor (100 ml) syrup ?

Description : What is the function of camphor (100 ml) syrup ?

Last Answer : It is indicated for the treatment of asthma in adults and children up to 6 years. If your child is under 6 years of age, then take it with the advice of a doctor.

What is the sign of camphor

Last Answer : : The signal of camphor is c10h16o

Which of the following is NOT a plant product? (a) Camphor (b) Aloe vera (c) Vanilla (d) Kiwi (e) All are plant products

Description : Which of the following is NOT a plant product? (a) Camphor (b) Aloe vera (c) Vanilla (d) Kiwi (e) All are plant products

Last Answer : Ans: (e)

Why camphor disappears when kept on a plate? (a) It sublimes (b) It reacts with the metal of the container (c) It reacts with the gases of the air (d) None of the above

Description : Why camphor disappears when kept on a plate? (a) It sublimes (b) It reacts with the metal of the container (c) It reacts with the gases of the air (d) None of the above

Last Answer : Ans:(a)

The compound that is not a natural product is (a) pinene (b) citral (c) camphor (d) styrene

Description : The compound that is not a natural product is (a) pinene (b) citral (c) camphor (d) styrene

Last Answer : Ans:(d)

The chief source of naphthalene is – (1) Coal-tear (2) Diesel (3) Charcoal (4) Camphor

Description : The chief source of naphthalene is – (1) Coal-tear (2) Diesel (3) Charcoal (4) Camphor

Last Answer : (1) Coal-tear Explanation: Coal tar is a brown or black liquid of extremely high viscosity. In the coal gas era, there were many companies in Britain whose business was to distill coal ... of naphtha (a broad term encompassing any volatile, flammable liquid hydrocarbon mixture, including coal tar).

The chief source of naphthalene is - (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor

Description : The chief source of naphthalene is - (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor

Last Answer : (1) Coal-tar Explanation: Naphthalene is derived from a kind of naphtha which is a broad term encompassing any volatile, flammable liquid hydrocarbon mixture, including coal tar.

Which of the following is chief source of Naphthalene? (1) Moth balls (2) Moth flakes (3) Tar Camphor (4) Methyl Alcohol

Description : Which of the following is chief source of Naphthalene? (1) Moth balls (2) Moth flakes (3) Tar Camphor (4) Methyl Alcohol

Last Answer : (3) Methyl Alcohol Explanation: Petroleum-derived naphthalene is usually purer than that derived from coal tar.

The main source of Naphthalene is - (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel

Description : The main source of Naphthalene is - (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel

Last Answer : (3) Coal-tar Explanation: The main source of Naphthalene is coal-tar. Naphthalene is derived from a kind of naphtha which is a broad term encompassing any volatile, namable liquid hydrocarbon mixture, including coaltar.

Pieces of camphor placed on water move about rapidly. This is because of - (1) diffusion (2) viscosity (3) surface tension (4) capillarity

Description : Pieces of camphor placed on water move about rapidly. This is because of - (1) diffusion (2) viscosity (3) surface tension (4) capillarity

Last Answer : (3) surface tension Explanation: The Camphor slowly dissolves in the water lowering the latter's surface tension in the immediate neighbourhood. When after sometime the whole surface settles for the reduced tension, the movement of the camphor too short.

Pieces of camphor placed on water move about rapidly. This is because of - (1) diffusion (2) viscosity (3) surface tension (4) capillarity

Description : Pieces of camphor placed on water move about rapidly. This is because of - (1) diffusion (2) viscosity (3) surface tension (4) capillarity

Last Answer : (3) surface tension Explanation: The Camphor slowly dissolves in the water lowering the latter’s surface tension in the immediate neighborhood. The stronger pull exerted by the uncontaminated portion of water brings about a movement of the surface and the camphor particles are carried along with it.

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

Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding (A) Glycerol (B) Nitro cellulose (C) Camphor (D) None of these

Description : Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding (A) Glycerol (B) Nitro cellulose (C) Camphor (D) None of these

Last Answer : (C) Camphor

Which of the following solutions will follow Raoult's law most closely? (A) A solution of benzene, toluene and o-xylene (B) 35% solution of camphor in water (C) 35% solution of NH3 in water (D) A solution of polar organic compounds (not of homologue of a series)

Description : Which of the following solutions will follow Raoult's law most closely? (A) A solution of benzene, toluene and o-xylene (B) 35% solution of camphor in water (C) 35% solution of NH3 in water (D) A solution of polar organic compounds (not of homologue of a series)

Last Answer : (A) A solution of benzene, toluene and o-xylene

Name a suitable technique of separation of the components from a mixture of calcium sulphate and camphor.

Description : Name a suitable technique of separation of the components from a mixture of calcium sulphate and camphor.

Last Answer : The components from a mixture of calcium sulphate and camphor can be separated by the process of sublimation.

Why camphor is used in molecular mass determination ?

Description : Why camphor is used in molecular mass determination ?

Last Answer : Ans. Because it has very high cryoscopic constant. It has large depression in m. p. when an organic solute is dissolved in it.

Pick up the correct statement from the following: (A) Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite (B) Dr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite (C) Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it Plastic (D) All the above

Description : Pick up the correct statement from the following: (A) Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite ... prepared a substance from urea and formaldehyde and called it Plastic (D) All the above

Last Answer : Answer: Option D

The substance that does not burn with flame is a) LPG b)camphor c)dry grass d)charcoal

Description : The substance that does not burn with flame is a) LPG b)camphor c)dry grass d)charcoal

Last Answer : d)charcoal

The first plastic was a mixture of cellulose nitrate and camphor invented in the 1860's by John Hyatt. What was the trademark given to this material?

Description : The first plastic was a mixture of cellulose nitrate and camphor invented in the 1860's by John Hyatt. What was the trademark given to this material?

Last Answer : ANSWER: CELLULOID

The chief source of naphthalene is (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor

Description : The chief source of naphthalene is (1) Coal-tar (2) Diesel (3) Charcoal (4) Camphor

Last Answer : Coal-tar

The main source of Naphthalene is (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel

Description : The main source of Naphthalene is (1) Charcoal (2) Camphor (3) Coal-tar (4) Diesel

Last Answer : Coal-tar

.Identify the physical and chemical changes from the following (i)Burning of magnesium in air (ii)Electrolysis of water (iii)Tarnishing of silver spoon (iv)Sublimation of iodine -Chemistry

Description : .Identify the physical and chemical changes from the following (i)Burning of magnesium in air (ii)Electrolysis of water (iii)Tarnishing of silver spoon (iv)Sublimation of iodine -Chemistry

Last Answer : (i) Burning of magnesium in air : Chemical change (ii) Tarnishing of silver spoon : Chemical change (iii) Sublimation of iodine : Physical change (iv) Electrolysis of water to form hydrogen and oxygen is also a chemical change.