What is Colloidal Solution? - Is Matter Around Us Pure | Class 9 Chemistry
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- เผยแพร่เมื่อ 2 ก.ค. 2024
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✅ In this video,
✔️ Class: 9
✔️ Subject: Chemistry
✔️ Chapter: Is Matter Around Us Pure
✔️ Topic Name: What is Colloidal Solution?
===============================================
00:00 Introductions: What is Colloidal Solution?
00:15 What is Colloidal solutions?
17:03 Dispersed Phase and Dispersion Medium
23:01 Website Overview
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Moral of the story is :
Pura jo khel hota h wo particles ke size ka 😜
That's right 🙂
😜😜
Yes
Yes
Size matters 😎
Normal:
Two components of a solution -
1) Solute
2) Solvent
Colloidal:
Two components of colloidal sol:
1) Dispersed phase
2) Dispersion medium
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Previous Video : Suspension Class 9th Chemistry
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Types of mixtures -
True Solution(Homogenous) - Uniformly mixed and cannot be seen through naked eyes and can be properly filtered when filtered through filter paper i.e., Salt with water.
Size - Less then 1 nm
Colloids(May differ)- Components, the size of which comes between True Solution and Suspension and particles cannot be seen but residue can be found when filtered through micro molecular membrane i.e., Milk.
Size - 1 & 100 nm
Suspension(Heterogeneous) - Not uniformly mixed and particles can be seen through naked eyes and residue can be found when filtered through filter paper i.e., Sand with water.
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Q1 pura khel kiska hai?
a. True solution
b. Particles
c. Suspension
d. Molecules
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Particles
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We know that homogenous mixture are also called Solution but Colloidal is heterogeneous then why it is called as solution..please reply anybody please 😐
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Ya it is colloidal mixture.... Which is heterogeneous....
Colloidal solution
Mam then how to clarify between homogeneous and colloidal solutions like if any solution is homogeneous how to know if it is colloid or not??
Hi there! That's a great question! You can tell if a solution is a homogeneous or colloidal solution by looking at the size of the particles that make up the solution. If the particles are too small to see, the solution is a homogeneous solution. If the particles are large enough to be seen, the solution is a colloidal solution. We hope this helps!
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