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In qualitative analysis, what does a positive result in a precipitation test ind
In qualitative analysis, what does a positive result in a precipitation test indicate?
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Practice Questions
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Q1
In qualitative analysis, what does a positive result in a precipitation test indicate?
The absence of ions
The presence of specific ions
The need for further testing
The presence of impurities
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A positive result in a precipitation test indicates that specific ions are present in the solution, forming an insoluble compound.
Questions & Step-by-step Solutions
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Q
Q: In qualitative analysis, what does a positive result in a precipitation test indicate?
Solution:
A positive result in a precipitation test indicates that specific ions are present in the solution, forming an insoluble compound.
Steps: 5
Show Steps
Step 1: Understand what a precipitation test is. It is a method used to detect the presence of certain ions in a solution.
Step 2: Know that when you add a reagent (a chemical) to the solution, it can react with specific ions.
Step 3: If the ions are present, they will react with the reagent to form a solid substance called a precipitate.
Step 4: A positive result means that you see this solid precipitate forming in the solution.
Step 5: This indicates that the specific ions you were testing for are indeed present in the solution.
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