13. __ Standards are prepared in the laboratory for a specific analysis: a) Primary b)Secondary c) Precipitation d)Titration

Question

13. __ Standards are prepared in the laboratory for a specific analysis: a) Primary b)Secondary c) Precipitation d)Titration

Answer 1

The correct answer is a) Primary.Primary standards are substances that are used to prepare standard solutions for calibration in analytical chemistry. They are characterized by their high purity, stability, non-hygroscopic nature, and non-toxicity. Primary standards are typically prepared in the laboratory for a specific analysis to ensure accuracy and reliability in the results.

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13. __ Standards are prepared in the laboratory for a specific analysis: a) Primary b)Secondary c) Precipitation d)Titration

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