5 min read
Solvent Mix
A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
Choose Your Level
Solvent Mix
What is it?
A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
In simple words
- A common solvent is water:ethanol 6:4.
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
Important terms
Solvent Mix: A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
What you should learn
- Define and explain solvent mix.
- Apply solvent mix to a focused FBISE question.
- Check the answer for correct terms, evidence, working, and units.
Examples
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
CORE UNDERSTANDING
A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
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
A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
Learn the idea, then use it:
WHAT — SOLVENT MIX
A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
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
A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
Remember
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
Examples
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
- SOLVENT MIX: A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour th
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
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
- keep the ideas separate
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
- correct term
Deeper understanding
Go beyond memorising Solvent Mix. 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
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
- keep the ideas separate
- Solvent Mix: A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. M
- WHAT — SOLVENT MIX: A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. M
Do not merge solvent mix with a neighbouring idea that uses a different definition, rule, or method.
For long answers on Solvent Mix: define clearly → explain the main parts → give one example → state one exam caution.
Exam Focus
Exam Focus
Important points
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
- keep the ideas separate
Important formulas
- water:ethanol 6:4
- 25 cm3
- 15 cm3 water
Common exam traps
- Do not merge solvent mix 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 solvent mix 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 solvent mix 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.
water:ethanol 6:4
25 cm3
15 cm3 water
keep the ideas separate
A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
- Definition
- A common solvent is water:ethanol 6:4. For 25 cm3 of mix that means 15 cm3 water + 10 cm3 ethanol. Measure both, pour them into the cylinder, and swirl gently.
- Example
- water:ethanol 6:4
- Critical warning
- Do not merge solvent mix with a neighbouring idea that uses a different definition, rule, or method.
Did you understand this topic?
Your answer is saved with your learning record. It does not mark the topic as mastered.
Ready to test yourself?
You've completed the learning section.
Exam Practice
Define
Q1. Define Solvent Mix.
Explain
Q2. Explain: CORE UNDERSTANDING.
Example
Q3. Give one clear example of Solvent Mix and say why it fits.
Mistake
Q4. State one common mistake students make about Solvent Mix.
Exam note
Q5. Write a short exam note on Solvent Mix: definition, two points, one example.
Sources & References
School-standard facts for Matric and Intermediate. Original explanations — not copied from textbooks.