Adsorption, catalysis, colloids, emulsions.
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Q1 · Surface Chemistry · MEDIUM
Adsorption that involves only weak van der Waals forces between adsorbate and adsorbent is termed:
Q2 · Surface Chemistry · MEDIUM
A colloidal solution of starch can be coagulated most effectively by adding:
Q3 · Surface Chemistry · EASY
Which of the following is an example of heterogeneous catalysis?
Q4 · Surface Chemistry · MEDIUM
The extent of adsorption of a gas on a solid surface at constant temperature is described by Freundlich isotherm as x/m = k·P^(1/n). If a graph is plotted between log(x/m) and log P, what will be the slope of the line?
Q5 · Surface Chemistry · EASY
Among the following, which phenomenon is responsible for the cleansing action of soap?