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What is the purpose of adding concentrated ammonia in the elimination test for cations? a. to determine if the NH3 solution oxidizes the test ions b. to provide a strongly basic solution c. to determine if the test ions form NH3 complexes d. to determine if the hydroxide precipitates are amphoteric e. because NH; is a stronger base than NaOH Carbonate, phosphate, and sulfate produce white precipitate upon the addition of barium nitrate. To differentiate these ions, drop wise addition of an acid leading to different observations. One particular reaction produces an effervescence. What is the identity of this gas? a. NH3 b. HCl с. СО2 d. I2 е. Brz Refer to the figures below. Which of the following statements is TRUE? FILTER PAPER A: FILTER PAPER B: a. Filter paper A must be used in cold filtration while filter paper B must be used in hot filtration b. Filter paper A is more preferred in separating solid samples. Filter paper B is more preferred if we want faster filtration. d. None of the statements are true. c.

What is the purpose of adding concentrated ammonia in the elimination test for cations? a. to determine if the NH3 solution oxidizes the test ions b. to provide a strongly basic solution c. to determine if the test ions form NH3 complexes d. to determine if the hydroxide precipitates are amphoteric e. because NH; is a stronger base than NaOH Carbonate, phosphate, and sulfate produce white precipitate upon the addition of barium nitrate. To differentiate these ions, drop wise addition of an acid leading to different observations. One particular reaction produces an effervescence. What is the identity of this gas? a. NH3 b. HCl с. СО2 d. I2 е. Brz Refer to the figures below. Which of the following statements is TRUE? FILTER PAPER A: FILTER PAPER B: a. Filter paper A must be used in cold filtration while filter paper B must be used in hot filtration b. Filter paper A is more preferred in separating solid samples. Filter paper B is more preferred if we want faster filtration. d. None of the statements are true. c.

Chemistry
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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What is the purpose of adding concentrated ammonia in the elimination test for cations? а. to determine if the NH; solution oxidizes the test ions b. to provide a strongly basic solution to determine if the test ions form NH3 complexes d. to determine if the hydroxide precipitates are amphoteric because NH3 is a stronger base than NaOH с. е. Carbonate, phosphate, and sulfate produce white precipitate upon the addition of barium nitrate. To differentiate these ions, drop wise addition of an acid leading to different observations. One particular reaction produces an effervescence. What is the identity of this gas? а. NH b. HCl с. СО2 d. I2 е. Brz Refer to the figures below. Which of the following statements is TRUE? FILTER PAPER A: FILTER PAPER B: a. Filter paper A must be used in cold filtration while filter раper B must be used in hot filtration b. Filter paper A is more preferred in separating solid samples. c. Filter paper B is more preferred if we want faster filtration. d. None of the statements are true.
Transcribed Image Text:What is the purpose of adding concentrated ammonia in the elimination test for cations? а. to determine if the NH; solution oxidizes the test ions b. to provide a strongly basic solution to determine if the test ions form NH3 complexes d. to determine if the hydroxide precipitates are amphoteric because NH3 is a stronger base than NaOH с. е. Carbonate, phosphate, and sulfate produce white precipitate upon the addition of barium nitrate. To differentiate these ions, drop wise addition of an acid leading to different observations. One particular reaction produces an effervescence. What is the identity of this gas? а. NH b. HCl с. СО2 d. I2 е. Brz Refer to the figures below. Which of the following statements is TRUE? FILTER PAPER A: FILTER PAPER B: a. Filter paper A must be used in cold filtration while filter раper B must be used in hot filtration b. Filter paper A is more preferred in separating solid samples. c. Filter paper B is more preferred if we want faster filtration. d. None of the statements are true.
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