Define : Solvent extraction

Which properties of solvents are useful for solvent extraction?

Answer the following questions: In the extraction of aluminium : Draw the diagram of extraction of aluminium.

Answer the following question : Define solvent. Give two examples.

Answer the following questions: In the extraction of aluminium: Write the function and formula of cryolite in the extraction of aluminium .

________ is used as a reducing agent in the extraction of B and Si.

During extraction of a tooth, the dentist gives an injection of anaesthesia to the patient before extraction. Is the action potential generated? How does the local anaesthesia work? What is the effect of pain killer on the nervous system?

Explain the following: How is the mehotd of extraction of metlas high up in the reactivity series different form that for metals in the middle?Why the same process cannot be applied for them? Explaining by giving equaiton,the extraction sodium.

The solvents that can be used to extract an organic compound present in aqueous solution by differential extraction are ______.

_______ is added as flux in the extraction of iron.

Answer the following questions: From which ore is aluminium extracted? What are the stages in its extraction ( give only names )?