Question detail
What is the significance of carrying out a titration in practical chemistry?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
A-level practical endorsement and required practical activities
Question
- A. To determine the concentration of an unknown solution
- B. To measure the temperature of a solution
- C. To observe color changes in a reaction
- D. To mix two solutions without measuring
Answer
To determine the concentration of an unknown solution
Explanation
The correct option is To determine the concentration of an unknown solution. To determine the concentration of an unknown solution is the best answer because it directly supports the AQA A-Level Chemistry objective to demonstrate competence in apparatus and techniques across the A-level course. This reasoning is anchored to A-level practical endorsement in A-level practical endorsement and required practical activities, and it separates apparatus from similar A-Level ideas rather than relying on a vague recall statement. Other options are weaker if they use the wrong evidence, calculation, mechanism, observation, unit, or conclusion for this subtopic.
Common mistake
Misunderstanding Apparatus Use
Students often confuse the use of a burette and a pipette, leading to incorrect measurements in titrations.
Remember that a burette is used for delivering variable amounts of liquid with precision, while a pipette is used for measuring a fixed volume. Always check the apparatus markings and practice using them correctly to ensure accurate results. Keep the correction anchored to A-level practical endorsement and the objective: Demonstrate competence in apparatus and techniques across the A-level course.
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