Question detail
Which answer avoids confusing formulation with another qualitative analysis result?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Purity, formulations and chromatography
Question
- A. Water
- B. Salt
- C. Fertiliser
- D. Gold
Answer
The correct answer is Fertiliser. It matches formulation because the evidence is designed mixture composition and the expected result is useful product properties.
Explanation
The correct option is Fertiliser. Use this as an exam check: if the observation is not useful product properties, the conclusion about formulation is not properly supported. Other options are weaker when they confuse gas tests, flame colours, ion-test precipitates, chromatography evidence, or pure-substance/formulation wording.
Common mistake
Misunderstanding Formulations
Students often think that all components in a formulation have the same effect on the properties of the product.
Emphasize that each component in a formulation contributes differently to the properties of the product, depending on its specific role and amount.
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