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02000CH208052002

Define transport number? How the transport number is determined by Hittorf’s

methods?

PART C

Answer any two questions. Each question carries 20 marks.
What is adsorption isotherm? Give the mathematical expression for Freundlich

adsorption isotherm at different pressure conditions?

Derive Gibbs adsorption isotherm?

Give the classification of colloids with example based on size?
What are surfactants? Explain its uses?

Explain (a) Zeta potential (b) Dorn effect

State important postulates of Langmuir adsorption isotherm?
Explain liquid drop model of nucleus?

Explain radio carbon dating and isotope effects?

What do you mean by neutron activation analysis?

Describe transient and secular equilibria?

What are radioactive tracers? Discuss the important applications

Write the important applications of medicinal isotopes?

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