Question detail
In Formulations, which answer best matches the evidence for formulation?
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. Oxygen gas
- B. Saltwater
- C. Paint
- D. Iron metal
Answer
The correct answer is Paint. It matches formulation because the evidence is designed mixture composition and the expected result is useful product properties.
Explanation
The correct option is Paint. This is correct because designed mixture composition is the evidence expected for formulation, and useful product properties 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
Confusing Formulations with Pure Substances
Students often think that all mixtures are formulations, not recognizing that formulations are specifically designed mixtures with a purpose.
Remember that a formulation is a mixture created for a specific use, while a pure substance is a single element or compound without any other substances mixed in.
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