Advertisements
Advertisements
प्रश्न
Write the molecular formulae of the following compound.
Stannic oxide
उत्तर
Stannic oxide- SnO2
APPEARS IN
संबंधित प्रश्न
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: carbonates
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
Name:
(a) the processes involved in
concentration :-
Name the processes involved in refining of ores.
Explain the following terms:
(a) flux
An ore on being heated in air forms sulphurous anhydride. Write the process used for the concentration of this ore.
`2Pb(NO3)_2`
.........................
`2Cu_2O +Cu_2S`
......................
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?
Name the following:
Name an allotrope of a non-metal that allows electricity to pass through it.
Write the molecular formulae of the following compound.
Copper pyrite
Draw a neat and labelled diagram for Froth Floatation Process.
Explain the hydraulic separation method with a neat labelled diagram.
Complete the following flowchart.
Which of the following methods is used to separate wolframite and stannic oxide present in cassiterite?
Calculate the difference between heat of combustion of carbon monoxide gas at constant pressure and at constant volume at 27°C? (R = 2 cal K-1 mol-1).
Bassemerisation is used in the extraction of ______.
Explain the following term:
Metallurgy
