12 JEE Main 2020 Surface Chemistry previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Surface Chemistry chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Surface Chemistry chapter hub.
Amongst the following statements regarding adsorption, those that are valid are: (a) Δ H becomes less negative as…
Identify the correct molecular picture showing what happens at the critical micellar concentration ( CMC ) of an aqueou…
For Freundlich adsorption isotherm, a plot of log   x / m   y - axis and log   p x - axis gives a straig…
As per Hardy-Schulze formulation, the flocculation values of the following for ferric hydroxide sol are in the order:
A sample of red ink (a colloidal suspension) is prepared by mixing eosine dye, egg white, HCHO and water. The component…
Which of the following is used for the preparation of colloids ?
Tyndall effect is observed when :
Match the following: (i) Foam (a) smoke (ii) Gel (b) cell fluid (iii) Aerosol (c) jellies (iv) Emulsion (d) rubber (e)…
The flocculation value of H C l for arsenic sulphide s o l is 30   m m o l L - 1 . If H 2 S O 4 is used for the fl…
The mass of gas adsorbed, x , per unit mass of adsorbate, m , was measured at various pressures, p .   A graph bet…
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