The operation involved when the soluble material is largely on the
surface of an insoluble solid and is merely washed off by the solvent is called
(A) Decoction
(B) Percolation
(C) Elutriation or elution
(D) None of these

1 Answer

Answer :

(C) Elutriation or elution

Related questions

Description : Pick out the wrong statement. (A) Cellulose acetate membranes are used in dialysis process (B) Elutriation process refers to when the soluble material is largely concentrated on the surface of an ... that various streamflow from one to another (D) Zirconia probe is used for the humidity measurement

Last Answer : (D) Zirconia probe is used for the humidity measurement

Description : Leaching of coarse solid lumps is also termed as (A) Decoction (B) Dissolution (C) Percolation (D) Agitation and settling

Last Answer : (C) Percolation

Description : Pick out the wrong statement: (A) Change in barometric pressure does not affect the relative humidity (B) In case of a packed tower, the operating velocity is about half of the ... (D) The equilibrium moisture content of the solid can be reduced by increasing the absolute humidity

Last Answer : (D) The equilibrium moisture content of the solid can be reduced by increasing the absolute humidity

Description : Lipids have the following properties: (A) Insoluble in water and soluble in fat solvent (B) High energy content (C) Structural component of cell membrane (D) All of these

Last Answer : Answer : D

Description : Decoction refers to the use of solvent (A) At ambient temperature (B) At its boiling point (C) In its vapor form (D) None of these

Last Answer : (B) At its boiling point

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

Description : an eutectic system, two elements are completely (A) Soluble in solid state (B) Insoluble in liquid state (C) Insoluble in both solid & liquid state (D) Soluble in liquid state

Last Answer : Option D

Description : Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. (A) Clarification (B) Sedimentation (C) Flocculation (D) Classification

Last Answer : (D) Classification

Description : Solid particles separation based on the difference in their flow velocities through fluids is termed as the (A) Clarification (B) Classification (C) Elutriation (D) Sedimentation

Last Answer : (B) Classification

Description : Only two of the following Statements accurately describe what happens in the mouth. 1. 2. 3. 4. Amylase breaks down large starch molecules into smaller maltose molecules. Chewing increases the surface area of food for digestion. Saliva emulsifies ... ? (a) 1 and 2 (b) 2 and 3 (c) 3 and 4 (d) 1 and 4

Last Answer : (a) 1 and 2

Description : Thermoplastic materials (A) Do not soften on application of heat (B) Are heavily branched molecules (C) Are solvent insoluble (D) None of these

Last Answer : (D) None of these

Description : If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is (A) L/G (B) G/L (C) Always < 1 (D) None of these

Last Answer : (A) L/G

Description : Thermoplastic materials (A) Do not soften on application of heat (B) Are heavily branched molecules (C) Are solvent insoluble (D) None of these

Last Answer : (D) None of these

Description : Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is (A) Insoluble in the liquid (B) Soluble in the liquid (C) Non-ideal in nature (D) At a fixed temperature

Last Answer : (A) Insoluble in the liquid

Description : Soluble vs. insoluble fiber?

Last Answer : Alternative NamesInsoluble vs. soluble fiber; Fiber - soluble vs. insolubleInformationThere are two different types of fiber -- soluble and insoluble. Both are important for health, digestion, and ... .See fiber.ReferencesBurleson K. Coronary artery disease. In: Rakel D, ed. Integrative Medicine

Description : Is Na3PO4 insoluble or soluble?

Last Answer : soluble

Description : A cereal protein soluble in 70% alcohol but insoluble in water or salt solution is (A) Glutelin (B) Protamine (C) Albumin (D) Gliadin

Last Answer : Answer : D

Description : Which of the following are correct statements concerning unsaturated hydrocarbons? (a) All unsaturated hydrocarbons are insoluble in water. (b) All unsaturated hydrocarbons are soluble in nonpolar solvents. (c) All unsaturated hydrocarbons are more dense than water. (d) (a) & (c)

Last Answer : (a) & (c)

Description : Which of the following is not a characteristic of organic compounds? (a) They usually have low melting points. (b) They usually are only slightly soluble or insoluble in water. (c) If water ... they seldom conduct an electric current. (d) Bonds which bind the atoms together are nearly always ionic.

Last Answer : Bonds which bind the atoms together are nearly always ionic.

Description : Food digestion is conversion of (a) Macromolecules to micromolecules (b) Non diffusable to diffusable molecules (c) Insoluble to soluble (d) All

Last Answer : (d) All

Description : What do you mean by reserved percolation? Enlist different steps involved in it.

Last Answer : Reserve percolation:   In this process a part of percolate, generally 3/4th volume of the finished preparation is reserved.(contains high solute concentration) Then the percolation process is continued ... :  a. Imbibition, b. Maceration, c. Percolation, d. Distillation or evaporation.

Description : Thermosetting materials (A) Are cross-linked molecules (B) Soften on application of heat (C) Are solvent soluble (D) None of these

Last Answer : (A) Are cross-linked molecules

Description : Pick out the wrong statement regarding the solubility characteristics of high polymers. (A) Greater the degree of cross-linking in the polymer, lesser is its solubility (B) Polymers having more ... of the solvent (D) High molecular weight polymers on dissolving gives solution of very low viscosity

Last Answer : (D) High molecular weight polymers on dissolving gives solution of very low viscosity

Description : Thermosetting materials (A) Are cross-linked molecules (B) Soften on application of heat (C) Are solvent soluble (D) None of these

Last Answer : (A) Are cross-linked molecules

Description : Separation of materials of the same density based on their sizes by using then-different rates of flow is called (A) Sorting (B) Sizing (C) Flocculation (D) Elutriation

Last Answer : (B) Sizing

Description : An example of elution is (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank (B) Separation of sugar from sugar beet by hot water (C) Dissolution of tannin out of tree barks by water (D) Recovery of vegetable oils from seeds

Last Answer : (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank

Description : In case of constant underflow extraction operation, the __________ atall solute concentration. (A) Solids are drained to the same extent (B) Ratio of the insoluble to solution is constant (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : The study on washability of coal is done by using the __________ technique. (A) Tabling (B) Elutriation (C) Heavy media separation (D) None of these

Last Answer : (C) Heavy media separation

Description : Gold ore concentration is mostly done using (A) Jigging (B) Tabling (C) Froth floatation (D) Elutriation

Last Answer : (B) Tabling

Description : What is solvent called soluble ?

Last Answer : The solvent that is dissolved is called solvent.

Description : What is Deccan Pain Medication ? I had a lot of pain in my hip. In winter the pain increases and the joints of the body become jammed. It is difficult to move. The doctor says there is no ... the joint is also fixed. Feeling much healthier than before. Will I continue to take Decason medicine now ?

Last Answer : 1 Answer 0 Choices You are facing this problem due to your physical weakness. You should eat nutritious food regularly. Take vitamin calcium supplements on doctor's advice. Not that the medicine is for pain. It ... BP. Etc. Eat fruits and eat raw gram and raw nuts on an empty stomach in the morning.

Description : A decoction prepared using young leaves of

Last Answer : papaya is used as cure for Dengue fever.

Description : The fluid exiting a chromatographic column is called the A. eluent B. eluate C. analyte D. elution

Last Answer : eluate

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

Description : (a) Show on a diagram the transfer of electrons between the atoms in the formation of MgO. Write symbols of cation and anion present in MgO. (b) Name the solvent in which ionic compounds are generally soluble. (c) Why are aqueous solutions of ionic compounds able to conduct electricity? -Chemistry

Last Answer : (b) Ionic compounds are soluble in water. (c) It is because aqueous solutions consist of ions which can move freely in them and carry current.

Description : When an organic compound is present in aqueous medium and is less soluble in any organic solvent, then it is separated by `:`

Last Answer : When an organic compound is present in aqueous medium and is less soluble in any organic ... B. distillation C. chromatography D. sublimation

Description : What would happen if is not soluble in the solvent?

Last Answer : Need answer

Description : Is RbOH soluble in non polar solvent?

Last Answer : It is not soluble in nonpolar solvents.

Description : Why is CuSO4 more soluble in water than in organic solvent?

Last Answer : CuSO4 is ionic and water is polar. The types of bonding allowwater to dissolve the salt much more easily than an organic solvent(e.g. alcohol, hexane) could.

Description : Why is CuSO4 more soluble in water than in an organic solvent and why is the reverse true salicylic acid?

Last Answer : Water and copper sulfate are both polar compound; polar compounds are dissolved better in polar solvents. Salycilic acid is also polar but the solubility is lower because the benzene ring has a negative effect.

Description : . In which solvent are alkenes most soluble? (a) water (b) ethyl alcohol (c) ammonia (d) carbon tetrachloride

Last Answer : carbon tetrachloride

Description : The Hinsberg test of a `C_(5)H_(14)N_(2)` compound produces a solid that is insoluble in 10% aq. `NaOH`. This solid derivative dissolves in `10%` aq.

Last Answer : The Hinsberg test of a `C_(5)H_(14)N_(2)` compound produces a solid that is insoluble in 10% aq. `NaOH` ... would best fit these facts ? A. B. C. D.

Description : Bromine is- (1) Colorless gas insoluble in water (2) A highly inflammable gas (3) A Black solid (4) A red liquid

Last Answer : (4) A red liquid Explanation: Bromine is a chemical element with symbol Br and atomic number 35. It is the third-lightest halogen, and is a fuming liquid with a deep red color. At room temperature, Bromine evaporates readily to form a red to amber colored gas.

Description : Downward entry and movement of water in soil surface is — a. Percolation b. Infiltration c. Permeability d. None of these

Last Answer : b. Infiltration

Description : The amount of audit fees depend largely on the a. Size and capitalization of the company under audit. b. Amount of profit for the year. c. Availability of cash. d. Volume of audit work and degree of competence and responsibilities involved.

Last Answer : Volume of audit work and degree of competence and responsibilities involved.

Description : Hydrazine is largely used (A) As a starting material for 'hypo' (B) In photographic industry (C) As rocket fuel (D) In printing industry

Last Answer : (C) As rocket fuel

Description : Which of the following resistances is not involved in a gas phase catalytic (gas-solid) reaction? (A) Ash resistance (B) Gas film and pore surface diffusion resistances for reactants (C) Surface phenomenon resistance (D) Gas film and pore surface diffusion resistances for products

Last Answer : (A) Ash resistance

Description : The rate of solid-liquid extraction is limited by the (A) Phase change of the solute as it dissolves in the solvent (B) Diffusion of the solute through the solvent in the pores to the outside of the particle (C) ... contact with the particle to the main bulk of the solution (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

Description : Rate of leaching increases with increasing (A) Temperature (B) Viscosity of solvent (C) Pressure (D) Size of the solid

Last Answer : (A) Temperature