MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

Give the meaning of smelting with an example.

Important Questions on General Principles and Processes of Isolation of Elements

HARD
12th Odisha Board
IMPORTANT
Write down the reactions taking place at different zones of blast furnace during the extraction of iron.
HARD
12th Odisha Board
IMPORTANT
Write the chemical reactions taking place in the extraction of zinc from zinc blende. Write three uses of it.
HARD
12th Odisha Board
IMPORTANT
What is Ellingham diagram? With respect to Ellingham diagram, explain that Mg is more reducing than Zn.
HARD
12th Odisha Board
IMPORTANT
With respect to Ellingham diagram, explain that Al acts as a better reducing agent than Fe.
HARD
12th Odisha Board
IMPORTANT
With respect to Ellingham diagram, explain that extraction of metals like Ag and Hg from their oxides take place at high temperature.
EASY
12th Odisha Board
IMPORTANT
Sulphide ores are generally concentrated by _____ process.