6 min read
Locating
If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pencil start line, not from the bottom of the paper.
Choose Your Level
Locating
What is it?
If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pencil start line, not from the bottom of the paper.
In simple words
- If the mixture is colourless, you cannot see the spot until you develop it.
- pencil start line
- front before it fades
- locating agent
Important terms
Locating: If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pencil start line, not from the bottom of the paper.
What you should learn
- Define and explain locating.
- Apply locating to a focused FBISE question.
- Check the answer for correct terms, evidence, working, and units.
Examples
- pencil start line
- front before it fades
- locating agent
CORE UNDERSTANDING
If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pencil start line, not from the bottom of the paper.
EXAM APPLICATION
State the correct term, connect it to the chapter rule or evidence, and use a clear example or calculation.
Recommended for Class 9
Full school-level explanation
If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pencil start line, not from the bottom of the paper.
Learn the idea, then use it:
WHAT — LOCATING
If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pencil start line, not from the bottom of the 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.
CORE UNDERSTANDING
If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pencil start line, not from the bottom of the paper.
Remember
- pencil start line
- front before it fades
- locating agent
Examples
- pencil start line
- front before it fades
- locating agent
- LOCATING: If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it d
EXAM APPLICATION
State the correct term, connect it to the chapter rule or evidence, and use a clear example or calculation.
Remember
- correct term
- chapter link
- clear application
Examples
- Define first
- Show the rule or evidence
- Check units, labels, and conclusion
Remember
- pencil start line
- front before it fades
- locating agent
- keep the ideas separate
- pencil start line
- front before it fades
- locating agent
- correct term
Deeper understanding
Go beyond memorising Locating. Connect the definition to reasons, relationships, exceptions, and exam wording.
Common mistakes
Exam focus
Core Idea
Key Points
Simple Check
How to Answer
Exam focus
Quick revision
- pencil start line
- front before it fades
- locating agent
- keep the ideas separate
- Locating: If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front i
- WHAT — LOCATING: If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front i
Do not merge locating with a neighbouring idea that uses a different definition, rule, or method.
For long answers on Locating: define clearly → explain the main parts → give one example → state one exam caution.
Exam Focus
Exam Focus
Important points
- pencil start line
- front before it fades
- locating agent
- keep the ideas separate
Important formulas
- pencil start line
- front before it fades
- locating agent
Common exam traps
- Do not merge locating with a neighbouring idea that uses a different definition, rule, or method.
- Do not invent a formula, fact, unit, or diagram label that the chapter does not support.
Long question structure
Definition → key parts → example → exam caution
Common Mistakes
Common Mistakes
- Mistake
Do not merge locating with a neighbouring idea that uses a different definition, rule, or method.
- Mistake
Do not invent a formula, fact, unit, or diagram label that the chapter does not support.
- Mistake
Do not merge locating with a neighbouring idea that uses a different definition, rule, or method.
Revision Zone
60-Second Revision
Quick cues from this topic — use them for last-minute revision.
pencil start line
front before it fades
locating agent
keep the ideas separate
If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pen
- Definition
- If the mixture is colourless, you cannot see the spot until you develop it. Draw the solvent front in pencil before it dries away. Measure from the original pen
- Example
- pencil start line
- Critical warning
- Do not merge locating with a neighbouring idea that uses a different definition, rule, or method.
Did you understand this topic?
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Exam Practice
Define
Q1. Define Locating.
Explain
Q2. Explain: CORE UNDERSTANDING.
Example
Q3. Give one clear example of Locating and say why it fits.
Mistake
Q4. State one common mistake students make about Locating.
Exam note
Q5. Write a short exam note on Locating: definition, two points, one example.
Sources & References
School-standard facts for Matric and Intermediate. Original explanations — not copied from textbooks.