Question detail
In Required practical: identifying ions, which answer best matches the evidence for chemical analysis?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Identification of ions by chemical and spectroscopic means
Question
- A. Yellow
- B. Crimson
- C. Lilac
- D. Green
Answer
The correct answer is Crimson. It matches chemical analysis because the evidence is test observation and the expected result is supported conclusion.
Explanation
The correct option is Crimson. This is correct because test observation is the evidence expected for chemical analysis, and supported conclusion is the result that supports the conclusion. Other options are weaker when they confuse gas tests, flame colours, ion-test precipitates, chromatography evidence, or pure-substance/formulation wording.
Common mistake
Observation Recording Mistake
Students often fail to note the specific colors or changes observed during ion identification tests.
Encourage students to write detailed descriptions of their observations, including colors, precipitate formation, and any other noticeable changes.
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