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
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.
Description : What laboratory procedure you would use to separate and recover the components of a mixture containing BaSO4 Na2CO3 and C10H8?
Last Answer : Na2CO3 is soluble in water and separated by filtration from a water mixture.Naphtalene is separated by heating when sublimation occur.
Description : According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a ... in the column. (A) 5 (B) 9 (C) 12 (D) 28
Last Answer : (C) 12
Description : Filtration is a method to separate the components of a -Science
Last Answer : mixture of a liquid and an insoluble substance
Description : Peripheral components for the operation of the astern valve position amplifier circuit shown in the illustration are _____________. EL-0099 A. resistors B. operated on +28 volts D.C. C. located on a separate circuit card D. all of the above
Last Answer : Answer: C
Description : How we can separate coloured components?
Last Answer : By chromatography.
Description : State the condition for using the method of centrifugation to separate contents of a mixture.State the principle involved in this process. -Chemistry
Last Answer : The basic principle of centrifugation is that the denser particles remain at the bottom and the lighter particles will remain at the top. it can be used with like colloids to separate suspended particles are separated by churning the liquid at high speed
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
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.
Description : `CS_(2)` can separate a mixture of
Last Answer : `CS_(2)` can separate a mixture of A. `P_(4) and S_(8)` (rhombic) B. `P_(4) and S_(8)` ( ... )` (monoclinic) D. `S_(8)` (rhombic) and S (plastic)
Description : Why is it easier to separate the parts of a heterogenous mixture that the parts of a homogeneous?
Last Answer : Need answer
Description : How do you separate chalk from a mixture of chalk and water?
Last Answer : As with separating salt from a salty solution of water by evaporation, so, with a chalky solution, you would boil off the water, leaving the chalk behind.
Description : How would you separate the mixture of iron dust and zinc dust?
Last Answer : An electromagnet would attract the iron particles and leave thezinc behind. Tapping or vibrating the electromagnetic would shakeof the zinc and help prevent zinc from clinging with the iron. Onceseparated, turning of the electromagnetic should release the ironparticles from the magnet.
Description : Why its possible to use physical properties to separate a mixture?
Last Answer : yes
Description : Are mixture easy to separate?
Last Answer : no
Description : What is A mixture that is a solution but does not separate because the particles in he mixture are so small is a what?
Last Answer : Feel Free to Answer
Description : How do you separate a marble and rice mixture?
Last Answer : What is the answer ?
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.
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
Description : What method can be used to separate parts of a liquid mixture if the entire mixture can pass through a filter?
Last Answer : YOu
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.
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.
Description : A fractionating column is a glass apparatus used to (a) Separate magnetic solids from nonmagnetic solids (b) Separate a mixture in water (c) Separate two or more liquids (d) Extract oils from vegetable matter
Last Answer : Ans:(c)
Description : Trommels separate a mixture of particles depending on their (A) Size (B) Density (C) Wettability (D) Electrical & magnetic properties
Last Answer : (A) Size
Description : How will you separate a mixture of o-nitrophenol and p- nitrophenol ?
Last Answer : o-nitrophenol is steam volatile therefore it can be separated by Steam distillation.
Description : Pick out the wrong statement. (A) Constant pressure distillation cannot separate an Azeotropic mixture (B) Relative volatility of a binary mixture changes appreciably with the minor change in ... unity (D) Flash distillation is practised on wide spread scale in petroleum refinery
Last Answer : (B) Relative volatility of a binary mixture changes appreciably with the minor change in temperature
Description : The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n octane into pure compounds each at 1 atm is (A) -2 RT ln 0.5 (B) -RT ln 0.5 (C) 0.5 RT (D) 2 RT
Last Answer : (B) -RT ln 0.5
Description : Chromatography can be used to A. form mixtures B. change mixture compositions C. separate mixtures into pure substances D. all of these
Last Answer : separate mixtures into pure substances
Description : How do the components of a mixture differ from the components of a pure substance?
Last Answer : The concentrations of the components of a mixture may vary.However, a pure substance has a definite composition that does notvary.
Description : Why is separating a solid mixture easier than separating components of a solution?
Description : What property of substance does distillation used as basis for separation of components of a mixture?
Last Answer : Different materials have different boiling points.
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)
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
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.
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
Description : Pick out the correct statement. (A) Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas (B) The 'Hatta number' is ... reflux in case of distillation operation requires infinite number of plates for a binary system separation
Last Answer : (C) For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion
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
Description : The basis of the technique of chromatography for separating components of a mixture is? A. the differing movement of particles of different mass in an electrical field B. the interaction of the ... infrared radiation by the components. D. the deflection of charged particles in a magnetic field.
Last Answer : the interaction of the components with a stationary and a mobile phases
Description : Have you ever achieved the impossible? Overcome the hugest obstacle?
Last Answer : I have beat cancer three times, first time being during my childhood. If that’s not overcoming a huge obstacle, then I don’t know what is.
Description : Does it ever just hit you that one day even the simplest of tasks may become impossible for you?
Last Answer : Yes and the older I get, the more I think of it and the more it terrifies me. That is why I keep the nembutal handy!
Description : Have you ever become lost where you may have thought it was impossible to be lost?
Last Answer : Yes. I get lost everywhere to be honest. I have absolutely no sense of direction. So anyhow I got lost in Walmart and couldn’t find the exit. I seriously had to find help to get to an exit. This was as an adult. This is just one of many stories.
Description : ripple DES a. Cannot be broken in reasonable time using presently available computers. b. Can be broken only if the algorithm is known using even slow computer. c. Can be broken with presently available high performance computers. d. It is impossible to break ever.
Last Answer : a. Cannot be broken in reasonable time using presently available computers.
Description : DES using 56 bit keys a. Cannot be broken in reasonable time using presently available computers b. Can be broken only if the algorithm is known using even slow computers. c. Can be broken with presently available high performance computers. d. It is impossible to break ever.
Last Answer : c. Can be broken with presently available high performance computers.
Description : Does the invention of NFTs, and the attempt of corporations to force them on the population, indicate that a post-scarcity society is impossible for humans?
Last Answer : I'll browse the video, and if it grabs me, I'll watch it whole. - In the mean time: NFT owners be like: I don't care that you are banging my wife, I am the only one officially in ... do with the energy that is needed to buy or sell these things. Something to do with bandwidth, servers, videocards .
Description : Is it impossible to avoid criticism and stress when a lot of people want the same thing at once?
Last Answer : I agree with you. It's very likely that the Afghanistan withdrawal could have been planned better but I believe it ultimately had to be done and would be very likely messy. It's easy to be ... refugees as much as possible. As to your larger point, yes, change brings both stress and criticism.
Description : Are 8 or 10 Pack Abs Impossible to Achieve?
Last Answer : The number of ‘packs’ is just genetics as far as I’m aware. The appearance of abs is mostly defined having little belly far, which was the case for me until I hit 40. I need to cut my carbs…
Description : Is it just impossible to work for Trump?
Last Answer : You have to be able to put up with a whole lot of shit and be willing to compromise your moral values in order to do so but no, it is not impossible.
Description : Could you verify this equation, please? In short, tell me if it's true or false, possible or impossible.
Last Answer : What exactly are we meant to be analyzing? You provided an equation claiming a relationship between certain constants. What do you want us to do with it?