Question

24. Changing the volume or pressure in equilibrium: a) Affects gaseous equilibrium but has no effect on solid or liquid equilibrium b) Affects all equilibrium reactions c) Affects gaseous and solid equilibrium but not liquid equilibrium d) Does not affect equilibrium 25. When and acid reacts with a base what is the product formed? a) Metal oxides only b) A salt only c) Water only d) salt and water 26. Group III of ions is composed of the following ions: a) Metal ions that form insoluble carbonates b) Metal ions that form insoluble chlorides c) Metal ions that form insoluble sulfides d) None of these 27. The ions present in group IIIA are: a) Mn04, Fe", and Bi b) Al Fe", and CrO," c) MnO, Bi, and FeSCN d) None of these ions belong to that group 28. Identify the picce of glassware that provides the least precise volume measurement of a liquid a) A Beaker b) A graduated Cylinder c) A burette d) A pipette 29. An equilibrium system is dynamic because a) Changes in the concentration indicates more product formation b) Changes occur in the forward reaction c) Changes occurs in the reverse reaction d) Changes occur both in the forward and reverse reaction. 30. Because of the variability of the retention factor with the temperature a) Retention factors are usually determined by standards b) Retention factors are usually determined by known component on a mixture under the same conditions c) Retention factors are usually determined by known component on a mixture under different conditions d) Retention factors are not determined 31. The stationaryphase in chromatography a) Forms and equilibrium with the retention factor of the compounds b) Forms c) Forms an adsorption/desorption equilibrium with the molecules of the sample solute d) Does not have an equilibrium with the solute or the solvent. an equilibrium with the molecules of the sample solvent

Answer 1

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