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Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Multiple Choice
Each of the numbered items or incomplete statements is followed by answers or by completions of the statement.
Select the one lettered answer or completion that is best in each case. Write your answer before each number.
39. Indicators are complex organic compounds used:
I. to determine the equivalence points in neutralization processes
II. to determine the hydrogen-ion concentration
III. to indicate that a desired cchange in pH has been effected
a.
I
d.
II, III
b.
I, II
e.
I, II, III
C.
I, III
40. Requirement for blank titration:
1. Analyte
II. Titrant
III. Indicator
IV. Solvent
41. The most effective way to clean glass apparatus:
a. Soaking in detergent
C.
Treatment with a solution of sodium chromate
in sulfuric acid
b.
Acetic acid
d.
Rinsing with nitric acid
N
Transcribed Image Text:Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by completions of the statement. Select the one lettered answer or completion that is best in each case. Write your answer before each number. 39. Indicators are complex organic compounds used: I. to determine the equivalence points in neutralization processes II. to determine the hydrogen-ion concentration III. to indicate that a desired cchange in pH has been effected a. I d. II, III b. I, II e. I, II, III C. I, III 40. Requirement for blank titration: 1. Analyte II. Titrant III. Indicator IV. Solvent 41. The most effective way to clean glass apparatus: a. Soaking in detergent C. Treatment with a solution of sodium chromate in sulfuric acid b. Acetic acid d. Rinsing with nitric acid N
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