https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:surface-chemistry/x50160c6c142df488:adsorption/e/adsorption 2026-06-10T12:50:37.816026878Z Adsorption This exercise tests the core ideas of adsorption through realistic scenarios. You will identify adsorbate and adsorbent, relate surface area to extent of adsorption, distinguish adsorption, absorption, and sorption, explain everyday applications like decolorization and gas drying, and analyze the thermodynamic basis of adsorption using ΔH, ΔS, and ΔG to understand spontaneity and equilibrium. Khan Academy exercise https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:surface-chemistry/x50160c6c142df488:adsorption/e/physisorption-vs-chemisorption 2026-06-10T12:50:37.816026878Z Physisorption vs chemisorption This exercise tests how physisorption and chemisorption differ in nature of bonding, specificity, and energetics. Through short scenarios, you will compare van der Waals attraction vs chemical bond formation, analyze the effects of temperature and pressure, explain reversibility and activation energy, and relate adsorbent surface area and gas properties to the extent and type of adsorption. Khan Academy exercise https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:surface-chemistry/x50160c6c142df488:adsorption/e/adsorption-isotherms 2026-06-10T12:50:37.816026878Z Adsorption isotherms This exercise tests how the Freundlich adsorption isotherm explains the relationship between adsorption, pressure, and temperature at constant temperature. Through short scenarios, you will interpret the empirical equation, analyze log–log plots, examine temperature effects, and understand the range and limitations of the isotherm, especially why it fails at very high pressures due to surface saturation. Khan Academy exercise