Which of the Following Are Techniques to Promote Particle Growth

question 5

Multiple Choice

Which of the following are techniques to promote particle growth?
I Use a large volume of solution so concentration of analyte and precipitant are low.
II Rapidly add the precipitant to precipitate all analyte from solution,then raise the temperature of the solution to promote crystal growth.
III Slowly adding precipitant with vigorous mixing as the precipitant is added to prevent a highly supersaturated condition in solution.
IV Raise the temperature of the solution to increase solubility of precipitate and decrease supersaturation.

• A)III and IV
• B)II,III,and IV
• C)II and IV
• D)I,II,and III
• E)I,III,and IV

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