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- Which technique separates components of amixture with different boiling points? A. filtration D. chromatographyB. distillation E. sublimationC. crystallizationWould coat the paper with a nanoparticle offers any advantage? If yes, what could be the drawback of using nanoparticles on a filter-cone paper for ionization?Which technique separates components of amixture based on the size of its particles? A. filtration D. chromatographyB. distillation E. sublimationC. crystallization
- A student performs a separation by TLC on a silica gel platee that results in three spots. A red spot is measured 23 mm away from the original sample spot, a blue spot is 42 mm away, and a yellow spot is 49 mm away. the distance from the original spot to where the solvent stopped is 55 mm. a) calculate the Rf value for each componenet in the mixture (show work and report th correct number of significant figures) b) the silica gel plate is polar. rank the three componenets in the mixture from lowest to highest polarity. Explain your answer.What types of samples can be analyzed by IR?How are substances that are opaque (nottransparent) handled using this technique?Which technique is based on the stronger attractionsome components have for the stationary phasecompared to the mobile phase? A. filtration D. chromatographyB. distillation E. sublimationC. crystallization
- State the effects that cause bulk and nanoscale materials to have different magnetic properties.Chemistry 1. In anion exchange chromatography, the stationary phase negatively charged. a. True b. False 2. Give two (2) examples of a planar chromatographic technique:.Anion and cation chromatography can be achieved by modifying? A. Type of dye B. Mobile phase C. Wavelength D. Stationary phase