What is the role of activated charcoal in gas masks used in coal mines?
- AIt acts as a catalyst for the oxidation of poisonous gases.
- BIt acts as an adsorbent for poisonous gases.
- CIt acts as a filter to remove dust particles only.
- DIt reacts with poisonous gases to form harmless compounds.
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Which one of the following characteristics is not correct for physical adsorption?
The validity of the Freundlich isotherm can be verified by plotting:
If the value of $\frac{1}{n}$ is equal to $1$ in the Freundlich adsorption isotherm, then $\frac{x}{m} = $ (where $x = $ mass of adsorbate, $m = $ mass of the adsorbent, $p = $ pressure of the gas).
Rate of physical adsorption increases with
MediumKCET 2009
View SolutionThe colloidal sol of $SnCl_4$ prefers the adsorption of which ion in the presence of excess $HCl$?
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