Surface Chemistry (Class 12)
Adsorption, catalysis, colloids, emulsions, Tyndall effect, gels.
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Take a full mock →Q1 · Surface Chemistry (Class 12) · EASY
A colloidal solution appears homogeneous but scatters a beam of light when passed through it. This phenomenon is known as:
Q2 · Surface Chemistry (Class 12) · MEDIUM
In the Freundlich adsorption isotherm, the equation is given by x/m = k P^(1/n), where x is the amount of gas adsorbed on mass m of adsorbent at pressure P. If a graph is plotted between log(x/m) on y-axis and log P on x-axis, the slope of the straight line will be:
Q3 · Surface Chemistry (Class 12) · HARD
A colloidal solution of starch is mixed with a colloidal solution of ferric hydroxide. Both are oppositely charged. What phenomenon will occur and what will be the result?
Q4 · Surface Chemistry (Class 12) · EASY
Which one of the following gases will be adsorbed to the maximum extent by activated charcoal at the same temperature and pressure?
Q5 · Surface Chemistry (Class 12) · MEDIUM
Which nanoparticle is commonly used for antibacterial coating on water filter materials?