Advertisements
Advertisements
प्रश्न
Write the molecular formulae of the following compound.
Ferrous tungstate
Advertisements
उत्तर
Ferrous tungstate- FeWO4
APPEARS IN
संबंधित प्रश्न
Why are alkali metals kept in kerosene oil?
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is a more reactive metal.
Give the effect of heat on their: nitrates
Define the term ‘metallurgy’. State the processes involved in metallurgy ?
On which factors does the purification of metals depend?
`2NaNO_3`
......................
Give the ionization reactions of electrolyte used in Hall’s process. write the reaction at the cathode and the anode. Why the anode has to be replaced in this process?
Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Write three balanced equations for the purification of bauxite.
Explain the term of Metallurgy .
Explain with reason:
Why is powdered coke sprinkled on top of the electrolyte?
Why does iron or zinc not occur free in nature?
The chemical formula of zinc blend is _______.
Write scientific reason.
Magnetic separation method is used to separate the magnetic ingredients in the ores.
Distinguish between:
Froth floatation - Leaching
Identify the following method of concentration of ores and explain briefly.
Complete the following flowchart.
Observe the figure and name and explain in brief the following method:
Zirconium is refined by ____________.
Limestone is used as a flux in the extraction of ______.
Which of following metals occurs in native state?
