Advertisements
Advertisements
प्रश्न
Complete flow chart given below.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Give the effect of heat on their: hydroxide
What do you observe when hydrogen is passed over heated copper oxide?
`ZnCO_3`
..............................
`2NaNO_3`
......................
Why is flux used in the blast furnace?
Which metal is used for:
lithographic plates for printing
State two properties of brass that render it more useful for some purpose than its components.
A compound that is added to lower the fusion temperature of the electrolytic bath in the extraction of aluminium.
Cassiterite is a copper ore.
Write the molecular formulae of the following compound.
Ferrous tungstate
Explain concept with example/explain with the help of a balanced equation.
Gangue
Explain the hydraulic separation method with a neat labelled diagram.
Explain the froth floatation method with a neat labelled diagram.
Observe the figure and name and explain in brief the following method:
Chemical formula of rust is ______
Explain the smelting process.
Zirconium is refined by ____________.
A process of extracting metals from aqueous solutions of their salts using suitable reducing agents is called ______
Explain the following term:
Metallurgy
Calcination is used in metallurgy for the removal of?
