Medium
In which of the following is the Tyndall effect $NOT$ observed?
- AStarch sol
- BEmulsion
- CSugar solution
- DGold sol
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Similar Questions
The purification of colloids is carried out by which of the following processes?
Easy
View SolutionMatch List-$I$ with List-$II$:
$A$. Aerosol $I$. Milk $B$. Foam $II$. Soap lather $C$. Emulsion $III$. Cheese $D$. Gel $IV$. Smoke
| $A$. Aerosol | $I$. Milk |
| $B$. Foam | $II$. Soap lather |
| $C$. Emulsion | $III$. Cheese |
| $D$. Gel | $IV$. Smoke |
Identify a nanomaterial having all three dimensions less than $100 \text{ nm}$?
An emulsion is a colloidal dispersion of
Medium
View SolutionThe following data is obtained for coagulating a positively charged sol in $2$ hours:
Conc. of $Cl^{-}$ in $mol \cdot L^{-1}$ Result $5 \times 10^{-5}$ Sol not precipitated $6 \times 10^{-5}$ Sol not precipitated $7 \times 10^{-5}$ Sol precipitated $8 \times 10^{-5}$ Sol precipitated $1 \times 10^{-4}$ Sol precipitated
What is the coagulating value of electrolyte for this sol?
| Conc. of $Cl^{-}$ in $mol \cdot L^{-1}$ | Result |
| $5 \times 10^{-5}$ | Sol not precipitated |
| $6 \times 10^{-5}$ | Sol not precipitated |
| $7 \times 10^{-5}$ | Sol precipitated |
| $8 \times 10^{-5}$ | Sol precipitated |
| $1 \times 10^{-4}$ | Sol precipitated |
What is the coagulating value of electrolyte for this sol?
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