What is the significance of using a control sample in qualitative ion analysis?

Practice Questions

Q1
What is the significance of using a control sample in qualitative ion analysis?
  1. To increase the sample size
  2. To ensure the accuracy of measurements
  3. To provide a reference for comparison
  4. To reduce the time of analysis

Questions & Step-by-Step Solutions

What is the significance of using a control sample in qualitative ion analysis?
  • Step 1: Understand what a control sample is. A control sample is a known sample that contains specific ions.
  • Step 2: Know that in qualitative ion analysis, we want to find out which ions are present in a test sample.
  • Step 3: Use the control sample to compare with the test sample. This helps us see if the same ions are present.
  • Step 4: If the ions in the test sample match those in the control sample, we can confirm their presence.
  • Step 5: If the ions do not match, we can conclude that those specific ions are absent in the test sample.
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