Althea extracted 2g of pure dry salt frame 6g of rock salt. The mass of the salt obtained is less than the mass of rock salt because the rock was removed by ______? a dissolving b. distillation c. evaporation d. decantation

Q: 61. This process is called 2 5 O Paper chromatography Thin Layer Chromatography Column…

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A: In Gas Chromatography (GC), the carrier gas stream transports the injected sample solution into a…

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Q: Which of the following is INCORRECTLY paired? a. SDS-PAGE : Size b. Gel filtration chromatography :…

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Q: Choose correct letter of the answer. 1. Column/s used for normal phase chromatography- a.ODS b.…

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Q: . Which type of curve is normally produced when plotting the change in the concentration of a specie…

A: Answer are:

Q: A solute has a retention time of 5.4 min with a width at half height of 0.41 min on a column 12.2 m…

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Q: Which of the following is NOT correctly related to the parts of paper chromatography set-up? a.…

A: Paper chromatography is a method for separating dissolved substances from one another.  The mobile…

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A: Let us discuss mobile phase and stationary phases of chromatography.

Q: pH has an effect on the this/these mode/s of chromatography

A: Ans: HILIC

Q: Give examples of sample analyte in a matrix.

A: Please find your solution below : In chemical analysis in analytical chemistry, matrix is defined as…

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A: ICP-MS is a type of mass spectroscopy which is used to ionize a sample.

Q: Which of the following can improve the separation of components in chromatography? A. Using…

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Q: . What is lon chromatography?

A: chromatography  : Chromatography can be defined as the chromatography is a physical technique of…

Q: Mixtures are not separated to their pure components by: Select one: O a. distillation O b.…

A: A mixture is defined as which is made up of two or more pure components. For example: salt and water…

Q: liquid

A: ✓Eluent is the portion of the mobile phase, which carries the sample components with it. In liquid…

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A: Saturation of beaker with a solvent is necessary as if it is not done it will lead to the…

Q: What makes thin layer chromatography the best traditional chromatography method of profiling…

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Q: 6. The following data apply to a column for liquid chromatography. A chromatogram of a mixture of…

A: -------------------------------

Q: In Paper Chromatography, when the solvent wicks up the paper and causes the separation of your…

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Q: 1. Suggest a benefit to a long column in chromatography. What about a short column? (HPLC) 2. are…

A: Introduction:In high-performance liquid chromatography (HPLC), the column plays a critical role in…

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A: The two liquids in the mixture having the difference in the boiling point greater than 25 0 C can be…

Q: In thin-layer chromatography on silica gel TLC plates, which of these is true? a. More polar…

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Q: 2. What are mobile and Stationary phases in a chromatogram? Site their nature.

A: The solution is given below -

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A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

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Q: The following tests are used for control of organic impurities in organic medicinal substances,…

A: Option B is correct.

Q: Which of the following statement is false?   a.   Component with the strong attraction to the…

A: The statement, which is false has to be identified.

Q: Choose the separation techniques that rely on differences in boiling points. A. Simple distillation…

A: To identify: The techniques which use the difference in boiling point for separation.

Q: 6. The following are disadvantages of using filter paper in gravimetry, which is not included? а.…

A: 6) c is the correct answer.  IN the Gravimetry we uses the ashless filter paper to achieve the…

Q: Chemistry 1. In anion exchange chromatography, the stationary phase negatively charged. a. True…

A: #1:  Ion exchange chromatography, as the name suggests, is a technique used to separate charged…

Q: What compounds present in a sample that can cause error in the analysis and alter desired results?…

A: Interpretation - We have to tell that due to which  compounds present in a sample that can cause…

Q: 24. In paper chromatography, a rectangular piece of filter paper serves as the 24. A. mobile phase…

A: Paper chromatography was discovered by Synge and Martin in the year 1943. In paper chromatography,…

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Q: Define , describe, or illustrate the following: a. HETP b. Capacity factor c.. Selectivity…

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Q: "Chromatography in separation is based on the difference in components charge density a O solubility…

A: Ans volatility The chromatography is a analytical techniques of the chemistry in which the…

Q: Considering reverse phase liquid chromatography, determine the properties of the stationary phase,…

A: Given that, Reverse phase liquid chromatography We have to identify stationary phase, mobile phase…

Q: Which error will lead to negative deviation from the theoretical Keq? a. cuvette was filled to the…

A: Which error will lead to negative deviation from the theoretical Keq. Answer :               Correct…

Q: Gas chromatography cannot analyze mixtures due to the sensitivity of the instrument.    True…

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Q: Which of the following statements about the mobile phase in Supercritical fluid chromatography (SFC)…

A: Gas chromatography is a type of chromatography used in analytical chemistry used for separating and…

Q: 7. In gas chromatography, increasing the column length leads to analytes, assuming all other…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Uses a lamp and a flame for determining the concentrations of metal ions in solutions. a. High…

A: Mass, IR and UV/VIS spectroscopy techniques are based on the observation of emission and absorbed…