Write down the composition of the electrolyte used for the extraction of aluminium by the process of electrolysis. Describe the process of extraction.

Write down the composition of invar?

Describe the process of embryo formation.

Write the composition of charge used in the extraction of iron.

Write down the composition of electrolytic mixture used in the extraction of aluminium by electrolytic process. Write the chemical reactions occurring at the electrodes in this process.

Extraction of aluminium from bauxite

Write the composition of electrolytes used in the extraction of aluminium by electrolytic process. Write the chemical reactions occuring at the two electrodes.

Write the composition of electrolytic mixture used in the extraction for aluminium by electrolytic process. Write the chemical reactions occurring at the electrodes in this process.

Describe the process of formation of fossils.

Briefly describe the process Oogenesis.

Describe the process of absorption of protein.