A) Plot at one picture curves of surface tension isotherms for formic, acetic and butyric acids. Explain the character of changing.

b) Plot at one picture curves of Gibbs’s adsorption isotherms for methanol, ethanol and propanol. Explain the difference and similarity of isotherms.

c) Find surface phenomena from the following order: spherical form of drops, crystal growth, absorption, osmosis, colligative properties, diffusion, adsorption, hemosorption.

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

honesty and integrity.

inspire others.

commitment and passion.

good communicator.

decision-making capabilities.

accountability.

delegation and empowerment.

creativity and innovation.

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explanation: