AB 66. The following drugs/substances is assay by direct acidimetry, EXCEPT: a. Phosphoric acid b. Soda ash c. Sodium hydroxide d. Sodium bicarbonate A B 67.Method used in the assay of ZnO a. Direct acidimetry c. Direct alkalimetry Residual acidimetry b. Residual alkalimetry d. A B 68. Which of the following substance is assayed by residual alkalimetric analysis? a. hydrochloric acid C. sodium hydroxide b. zinc oxide d. aspirin ACD ACD ACD

AB 66. The following drugs/substances is assay by direct acidimetry, EXCEPT: a. Phosphoric acid b. Soda ash c. Sodium hydroxide d. Sodium bicarbonate A B 67.Method used in the assay of ZnO a. Direct acidimetry c. Direct alkalimetry Residual acidimetry b. Residual alkalimetry d. A B 68. Which of the following substance is assayed by residual alkalimetric analysis? a. hydrochloric acid C. sodium hydroxide b. zinc oxide d. aspirin ACD ACD ACD

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.34QAP

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