Odisha Board Solutions for Chapter: General Principles and Processes of Isolation of Elements, Exercise 1: QUESTIONS

Give the meaning of smelting with an example.

Write notes on aluminothermic process. 

Write note on carbon reduction process. 

Write down the reactions taking place at different zones of blast furnace during the extraction of iron.

Write the chemical reactions taking place in the extraction of zinc from zinc blende. Write three uses of it.

What is Ellingham diagram? With respect to Ellingham diagram, explain that $\mathrm{Mg}$ is more reducing than $\mathrm{Zn}$.

With respect to Ellingham diagram, explain that $\mathrm{Al}$ acts as a better reducing agent than $\mathrm{Fe}$.

With respect to Ellingham diagram, explain that extraction of metals like $\mathrm{Ag}$ and $\mathrm{Hg}$ from their oxides take place at high temperature.