The components of a solution (say sugar in water) can be separated by -Science

The components of a solution (say sugar in water) can be separated by -Science
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The easiest way to separate a mixture of sugar and water is to use distillation, a process that separates substances based on their different boiling points.
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Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which (A) A homogeneous solution (say of phenol water) is formed (B) Mutual solubility of the two liquids shows a decreasing trend (C) Two liquids are completely separated into two layers (D) None of these

Description : Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which (A) A homogeneous solution (say of phenol water) is ... a decreasing trend (C) Two liquids are completely separated into two layers (D) None of these

Last Answer : (A) A homogeneous solution (say of phenol water) is formed

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

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)

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

A process in which substances are separated throug differences in the rates at which the components migrate is called: w) filtration x) chromatography y) elution z) titration

Description : A process in which substances are separated throug differences in the rates at which the components migrate is called: w) filtration x) chromatography y) elution z) titration

Last Answer : ANSWER: X -- CHROMATOGRAPHY

Crude oil is separated into its components by: w) chemical reaction x) simple distillation y) fractional distillation z) settling

Description : Crude oil is separated into its components by: w) chemical reaction x) simple distillation y) fractional distillation z) settling

Last Answer : ANSWER: Y -- FRACTIONAL DISTILLATION 

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.

Acetic acid will be most economically separated from a dilute solution of acetic acid in water by (A) Solvent extraction (B) Continuous distillation (C) Evaporation (D) Absorption

Description : Acetic acid will be most economically separated from a dilute solution of acetic acid in water by (A) Solvent extraction (B) Continuous distillation (C) Evaporation (D) Absorption

Last Answer : (A) Solvent extraction

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

Ravi’s grandfather gave him four mixtures and asked him “Which of these can be separated by the method of winnowing?” (i) Kidney beans and chickpeas (ii) Pulses and rice (iii) Rice flakes and corn (iv) Potato wafers and biscuits -Science

Description : Ravi’s grandfather gave him four mixtures and asked him “Which of these can be separated by the method of winnowing?” (i) Kidney beans and chickpeas (ii) Pulses and rice (iii) Rice flakes and corn (iv) Potato wafers and biscuits -Science

Last Answer : answer:

Husk is separated from heavier seeds of grain by -Science

Description : Husk is separated from heavier seeds of grain by -Science

Last Answer : answer:

Butter is separated from milk by -Science

Description : Butter is separated from milk by -Science

Last Answer : yes, butter is separated from butter milk by churning , this process is called centrifugation.

Can two substances in a solution can be easily separated?

Description : Can two substances in a solution can be easily separated?

Last Answer : Yes, it is possible.

How many components does sugar consist of ?

Last Answer : Sugar consists of 3 components.

Why do we need to separate the components of a mixture? -Science

Description : Why do we need to separate the components of a mixture? -Science

Last Answer : Solution: We need to separate different components of a mixture to separate the useful components from the non-useful or some harmful components. ... So we need to separate different components of a mixture to separate the useful components from the nonuseful for some harmful components.

Filtration is a method to separate the components of a -Science

Description : Filtration is a method to separate the components of a -Science

Last Answer : mixture of a liquid and an insoluble substance

Discuss the major components of population growth. -Social Science

Description : Discuss the major components of population growth. -Social Science

Last Answer : There are three main components of population growth are birth rates, death rates, and migration.

Why is separating a solid mixture easier than separating components of a solution?

Description : Why is separating a solid mixture easier than separating components of a solution?

Last Answer : Feel Free to Answer

What are the individual components of a solution?

Description : What are the individual components of a solution?

Last Answer : The liquid part is the solvent, and the dissolved solid is the solute.

Pick out the wrong statement. (A) The mole fraction of solute is directly proportional to the molality of a 'dilute' solution (B) For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is nonlinear in the case of steady state unimolal unidirectional diffusion (C) Azeotropes obey Raoult's law at all temperature (D) The relative volatility of a binary mixture at the Azeotropic composition is 1

Description : Pick out the wrong statement. (A) The mole fraction of solute is directly proportional to the molality of a 'dilute' solution (B) For a non-reacting binary mixture of ideal gases, the partial ... at all temperature (D) The relative volatility of a binary mixture at the Azeotropic composition is 1

Last Answer : (C) Azeotropes obey Raoult's law at all temperature

Separation of two or more components of a liquid solution cannot beachieved by (A) Fractional crystallisation (B) Liquid extraction (C) Absorption (D) Evaporation

Description : Separation of two or more components of a liquid solution cannot beachieved by (A) Fractional crystallisation (B) Liquid extraction (C) Absorption (D) Evaporation

Last Answer : (C) Absorption

Pick out the wrong statement. (A) The operating line always lies above the equilibrium solubility curve in case of a single component absorber (B) The operating line always lies below the equilibrium solubility curve in case of a single component stripper (C) The operating pressure in solvent extraction system should be below vapor pressures of all components (D) The solubility of a particular gas in ideal solution in any solvent is always the same

Description : Pick out the wrong statement. (A) The operating line always lies above the equilibrium solubility curve in case of a single component absorber (B) The operating line always lies below the equilibrium ... (D) The solubility of a particular gas in ideal solution in any solvent is always the same

Last Answer : (C) The operating pressure in solvent extraction system should be below vapor pressures of all components

State Raoult’s Law for a binary solution containing volatile components.

Description : State Raoult’s Law for a binary solution containing volatile components.

Last Answer : Ans:- At a particular temperature the partial vapour pressure of each component of a solution containing volatile liquid is directly propositional to its mole fraction.

The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation. (A) Gibbs-Duhem (B) Van Laar (C) Gibbs-Helmholtz (D) Margules

Description : The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation. (A) Gibbs-Duhem (B) Van Laar (C) Gibbs-Helmholtz (D) Margules

Last Answer : (A) Gibbs-Duhem

Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is (A) R ln 2 (B) -R ln 2 (C) 3 R ln 2 (D) -3R ln 2

Description : Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is (A) R ln 2 (B) -R ln 2 (C) 3 R ln 2 (D) -3R ln 2

Last Answer : (A) R ln 2

The substance whose aqueous solution would be a better conductor of electricity than water is (a) cane sugar (b) glucose (c) common salt (d) ethyl alcohol

Description : The substance whose aqueous solution would be a better conductor of electricity than water is (a) cane sugar (b) glucose (c) common salt (d) ethyl alcohol

Last Answer : Ans:(c)

Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this. -Biology

Description : Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this. -Biology

Last Answer : When the colony of yeast is in water, it does not get nutrition. ... As the yeast gets nutrition and thus energy, it grows and begin to produce buds. This is why colonies of yeast fail to multiply in water, but multiply in sugar solution.

What will happen if we put an animal cell or a plant cell into a solution of sugar or salt in water -Biology

Description : What will happen if we put an animal cell or a plant cell into a solution of sugar or salt in water -Biology

Last Answer : One of the following three things could happen : 1. if the medium surrounding the cell has a higher water concentration than the cell, meaning that outside solution is very dilute, the cell will ... directions but this time more water leaves the cell than enter it. Therefore, the cell will shrink.

Which of the following is an example of a solution a. sand and rocks b. sugar and vinegar c. salt and pepper d. oil and water?

Description : Which of the following is an example of a solution a. sand and rocks b. sugar and vinegar c. salt and pepper d. oil and water?

Last Answer : B, sugar and vinegar.

Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this.

Description : Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this.

Last Answer : Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this.

What will happen if boil a rheo leaf in water and put it in concentrated sugar solution?

Description : What will happen if boil a rheo leaf in water and put it in concentrated sugar solution?

Last Answer : Need answer

In a solution of sugar and water which is the solvent and which is the solute?

Description : In a solution of sugar and water which is the solvent and which is the solute?

Last Answer : Water is the solvent, sugar the solute.

If a student dissolves powdered sugar in a water in a beaker the student then places a strip of silver in the beaker what is the solute in this solution?

Description : If a student dissolves powdered sugar in a water in a beaker the student then places a strip of silver in the beaker what is the solute in this solution?

Last Answer : Sugar is the solute.

In a sugar solution, sugar is __________________ and water is _________________.?

Description : In a sugar solution, sugar is __________________ and water is _________________.?

Last Answer : Water is the solvent

Honey that has high concentration of sugar does not decay because (1) Bacteria cannot survive in an active state as it is totally deprived of oxygen (2) It contains natural antioxidant that prevents bacterial attack (3) Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out (4) None of these

Description : Honey that has high concentration of sugar does not decay because (1) Bacteria cannot survive in an active state as it is totally deprived of oxygen (2) It contains natural antioxidant that prevents bacterial ... state in a solution of high osmotic strength as water is drawn out (4) None of these

Last Answer : (3) Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out Explanation: The reason why bacteria does not grow in high concentration of sugar ... measure of unbound, free water molecules in the food that is necessary for microbial survival and growth.

Which of the following operations does not involve leaching? (A) Dissolving gold from ores (B) Dissolving pharmaceutical products from bark or roots (C) Dissolving sugar from the cells of the beet (D) Removing nicotine from its water solution by kerosene

Description : Which of the following operations does not involve leaching? (A) Dissolving gold from ores (B) Dissolving pharmaceutical products from bark or roots (C) Dissolving sugar from the cells of the beet (D) Removing nicotine from its water solution by kerosene

Last Answer : (D) Removing nicotine from its water solution by kerosene

Vegetables are canned in a) brine solution b) sugar solution c) distilled water d) all of these

Description : Vegetables are canned in a) brine solution b) sugar solution c) distilled water d) all of these

Last Answer : a) brine solution

Honey that has high concentration of sugar does not decay because (1) Bacteria cannot survive in an active state as it is totally deprived of oxygen (2) It contains natural antioxidant that prevents bacterial attack (3) Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out (4) None of these

Description : Honey that has high concentration of sugar does not decay because (1) Bacteria cannot survive in an active state as it is totally deprived of oxygen (2) It contains natural antioxidant that prevents bacterial ... state in a solution of high osmotic strength as water is drawn out (4) None of these

Last Answer : Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out

How would you separate sugar that has been mixed with wheat flour? -Science

Description : How would you separate sugar that has been mixed with wheat flour? -Science

Last Answer : Sugar can be separated from wheat flour by sieving. Sugar particles being larger in size are retained by the sieve whereas wheat flour will pass through it.

Q.4. Name two sugar producing plants. -Science

Description : Q.4. Name two sugar producing plants. -Science

Last Answer : SUGAR CROPS AND SWEETENERS AND DERIVED PRODUCTS) There are two major sugar crops: sugar beets and sugar cane. However, sugar and syrups are also produced from the sap of certain species of maple trees, from sweet sorghum when cultivated explicitly for making syrup and from sugar palm.

(e) We get sugar from___________ . -Science

Description : (e) We get sugar from___________ . -Science

Last Answer : Sugar is made in the leaves of the sugarcane plant through photosynthesis and stored as a sweet juice in sugarcane stalks. Sugarcane is cut down and harvested then sent to a factory. At the factory, cane juice is extracted, purified, filtered and crystalized into golden, raw sugar.

Which compound is formed when sugar solution is fermented?

Description : Which compound is formed when sugar solution is fermented?

Last Answer : Ethanol

The product obtained when yeast is added to sugar solution?

Description : The product obtained when yeast is added to sugar solution?

Last Answer : Wash

The colour observed when hydrochloric acid and Fehling’s solution is added to test sugar

Description : The colour observed when hydrochloric acid and Fehling’s solution is added to test sugar

Last Answer : is reddish.

Classify the following mixtures as homogeneous and heterogeneous. (i)Tincture of iodine (iv)Sugar solution (ii)Smoke (iii)Brass -Chemistry

Description : Classify the following mixtures as homogeneous and heterogeneous. (i)Tincture of iodine (iv)Sugar solution (ii)Smoke (iii)Brass -Chemistry

Last Answer : In the above classification, tincture of iodine, brass and sugar are homogenous mixture while the smoke is heterogeneous mixture. Tincture of iodine is a liquid solution, brass is an alloy made ... component. Smoke on other hand is composed of moisture and gas thus making the mixture heterogeneous.

Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.

Description : Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.

Last Answer : Aqueous solution of raw sugar, when passed over beds of animal charcoal, becomes colourless. Explain.

What will happen to the potato when place is a concentrated sugar solution?

Description : What will happen to the potato when place is a concentrated sugar solution?

Last Answer : What is the answer ?

Is sugar solution is electrolyte or not?

Description : Is sugar solution is electrolyte or not?

Last Answer : Sugar solution is not an electrolyte.

Iodine solution is used to test the presence of – (1) Sugar (2) Proteins (3) Starch (4) Fats

Description : Iodine solution is used to test the presence of – (1) Sugar (2) Proteins (3) Starch (4) Fats

Last Answer : (3) Starch Explanation: Iodine solution is used to test the presence of starch.