Advertisements
Advertisements
Question
Write the molecular formulae of the following compound.
Ferrous tungstate
Advertisements
Solution
Ferrous tungstate- FeWO4
APPEARS IN
RELATED QUESTIONS
Give the importance of the following for living beings:
Nitrogen
brown powder deposit on iron?
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Identify A and B and give their reactions with dil HCL and dil H2SO4 ?
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 ?
oxides
Name:
(a) the processes involved in
concentration :-
Name the processes involved in refining of ores.
Explain the following terms:
(a) flux
Explain the following terms:
(c) slag
Name the methods used for purification?
With a labelled diagram, explain the electro-refining of a particular metal.
`HgS + O_2`
..................
Which metal is used for:
making face creams
The following is a sketch of an electrolytic cell used in the extraction of aluminium :
(a) What is the substance of which the electrode A and B are made?
(b) At which electrode (A or B) is aluminium formed?
(c) What are the two aluminium compounds in the electrolyte C?
(d) Why is it necessary for electrode B to be continuously replaced?
In Wilfley table method to separate particles of gangue _______ method is used.
Match the columns.
| Group A | Group B |
| 1. ZnS | a) Copper Sulphide |
| 2. HgS | b) Bauxite |
| c) Cinnabar | |
| d) Zinc blend |
Identify the following method of concentration of ores and explain briefly.
Explain the froth floatation method with a neat labelled diagram.
Observe the figure and name and explain in brief the following method:
Which of the following methods is used to separate wolframite and stannic oxide present in cassiterite?
Name the process that is employed to refine aluminium.
