Medium
The zig-zag motion (erratic motion) of particles in a colloid was observed by:
- ATyndall
- BZsigmondy
- CRobert Brown
- DThomas Graham
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Similar Questions
$X$ is a protecting colloid. The following data is obtained for preventing the coagulation of $10 \ mL$ of gold sol to which $1 \ mL$ of $10 \% NaCl$ is added. What is the gold number of '$X$'?
Expt. No. Weight of $X$ (in $mg$) added to gold sol Coagulation $1$ $24$ Not prevented $2$ $23$ Not prevented $3$ $26$ prevented $4$ $27$ prevented $5$ $25$ prevented
| Expt. No. | Weight of $X$ (in $mg$) added to gold sol | Coagulation |
|---|---|---|
| $1$ | $24$ | Not prevented |
| $2$ | $23$ | Not prevented |
| $3$ | $26$ | prevented |
| $4$ | $27$ | prevented |
| $5$ | $25$ | prevented |
Colloidal gold is administered by injection. What behavior does it exhibit?
Easy
View SolutionWhich one of the following sols acts as a lyophilic colloid?
Easy
View SolutionWhich of the following substances is not useful in forming a lyophilic sol?
Medium
View SolutionThe process of converting a precipitate into a colloidal solution is known as:
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