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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
- How does adsorption of gases on solids depend upon: Temperature?
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- The cause of Brownian movement is
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- What is Tyndall effect? Why do colloidal solutions show Tyndall effect...
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- What are enzyme catalysts? Give two examples of enzyme catalysis react...
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- Compare lyophilic and lyophobic sols in term of Stability .
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- What are lyophilic and lyophobic sols ? Give one example of each. Why ...
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- Define calcination and roasting.
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- State the role of silica in the metallurgy of copper.
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- Describe the role of the following in the processes mentioned: Iodine ...
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- Describe the role of the following : NaCN in the extraction of silver ...
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- What is the role of cryolite in the metallurgy of aluminium ?
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- Outline the principle of refining of metals by electrolytic refining.
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- Outline the principles involved in the following methods of refining o...
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- Outline the principles involved in the following methods of refining o...
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- Explain what is observed :- electric current is passed through a collo...
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- Explain what is observed :- when a beam of light is passed through a c...
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- Explain what is observed :- an electrolyte, NaCl is added to hydrated ...
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- Define the following term : Micelles.
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- Explain the following: Peptization .
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- Define the following term : Electophoresis .
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