24. approach 100% purity and are used to standardize solutions at a very high degree of accuracy. a. USP grade C. Chemical pure grade d. Primary standard grade b. Technical grade 25.A buret with a glass stopcock can be used for: a. Aldehydes C. Acids Bases b. Alcohols d. 26.The following are used in the assay of ZnO, EXCEPT a. Sodium hydroxide C. Ammonium chloride d. Methyl red b. Sulfuric acid
24. approach 100% purity and are used to standardize solutions at a very high degree of accuracy. a. USP grade C. Chemical pure grade d. Primary standard grade b. Technical grade 25.A buret with a glass stopcock can be used for: a. Aldehydes C. Acids Bases b. Alcohols d. 26.The following are used in the assay of ZnO, EXCEPT a. Sodium hydroxide C. Ammonium chloride d. Methyl red b. Sulfuric acid
Chapter4: Least-squares And Calibration Methods
Section: Chapter Questions
Problem 1P
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