Advertisements
Advertisements
प्रश्न
Explain the following term:
Metallurgy
उत्तर
The extraction of metals from their ores and then refining them for use is known as metallurgy.
APPEARS IN
संबंधित प्रश्न
brown powder deposit on iron?
An ore on being heated in air forms sulphurous anhydride. Write the process used for the concentration of this ore.
On which factors does the purification of metals depend?
With a labelled diagram, explain the electro-refining of a particular metal.
`2NaNO_3`......................
State two properties of brass that render it more useful for some purpose than its components.
What is magnalium? Name the main elements present in it? Write its one use ?
Explain the term of Metallurgy .
Complete the following flow chart and answer the questions below:
i) In which method pine oil is used?
ii) Explain what method of concentration in brief.
A compound that is added to lower the fusion temperature of the electrolytic bath in the extraction of aluminium.
What do you observe when hydrogen is passed over heated copper oxide?
Write scientific reason.
Magnetic separation method is used to separate the magnetic ingredients in the ores.
Write the molecular formulae of the following compound.
Stannic oxide
Write the molecular formulae of the following compound.
Ferrous tungstate
Explain concept with example/explain with the help of a balanced equation.
Gangue
Chemical formula of rust is ______
Explain the smelting process.
Bassemerisation is used in the extraction of ______.
In leaching of alumina from bauxite by Bayer's process, then ore is treated with ______.