ChemistryChapter 17: Separation Techniques
Magnet, Funnel, Dyes
A magnet pulls iron from a dry mix.
Learning objectives
- Define and explain magnet, funnel, dyes.
- Apply magnet, funnel, dyes to a focused FBISE question.
- Check the answer for correct terms, evidence, working, and units.
Definition
A magnet pulls iron from a dry mix. A separating funnel splits oil and water (two layers, different density). Chromatography splits dyes that dissolve and travel at different speeds on paper.
Important terms
- Magnet, Funnel, Dyes
- A magnet pulls iron from a dry mix. A separating funnel splits oil and water (two layers, different density). Chromatography splits dyes that dissolve and travel at different speeds on paper.
Overview
Learn the idea, then use it:
Core Understanding
A magnet pulls iron from a dry mix. A separating funnel splits oil and water (two layers, different density). Chromatography splits dyes that dissolve and travel at different speeds on paper.
Examples magnet · iron · separating funnel · MAGNET, FUNNEL, DYES: A magnet pulls iron from a dry mix. A separating funnel splits oil and water (two layers, different density). Chromatogr
Exam Application
State the correct term, connect it to the chapter rule or evidence, and use a clear example or calculation.
Examples Define first · Show the rule or evidence · Check units, labels, and conclusion
WHAT — MAGNET, FUNNEL, DYES
A magnet pulls iron from a dry mix. A separating funnel splits oil and water (two layers, different density). Chromatography splits dyes that dissolve and travel at different speeds on paper.
HOW — Use the idea
Identify what is given, select this topic's rule or evidence, apply it one step at a time, and check the result.
In simple words
Do not merge magnet, funnel, dyes with a neighbouring idea that uses a different definition, rule, or method.
Key points
- magnet
- iron
- separating funnel
Exam preparation
Exam Focus
Quick revision
Revision Zone
Review the key facts, formulas and checks before you move on.Magnet, Funnel, Dyes
Sticky Notes · Quick Revision
Core Idea
- A magnet pulls iron from a dry mix.
Key Points
- magnet
- iron
- separating funnel
Simple Check
- Explain magnet, funnel, dyes in your own words and connect it to one chapter example.
How to Answer
- Define the idea, show the main rule or evidence, apply it, and check the final statement.
Common Mistake
- Do not merge magnet, funnel, dyes with a neighbouring idea that uses a different definition, rule, or method.
FBISE Exam Tip
- Use the exact term, show working where needed, and include units or labelled evidence.
60-second revision
- A magnet pulls iron from a dry mix.
- magnet
- iron
- separating funnel
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