Advertisements
Advertisements
प्रश्न
Which one of the following reaction represents calcinations?
विकल्प
\[\ce{2Zn + O2 -> 2ZnO}\]
\[\ce{2ZnS + 3O2 -> 2ZnO + 2SO2}\]
\[\ce{MgCO3 -> MgO + CO2}\]
Both \[\ce{2Zn + O2 -> 2ZnO}\] and \[\ce{MgCO3 -> MgO + CO2}\]
Advertisements
उत्तर
\[\ce{MgCO3 -> MgO + CO2}\]
APPEARS IN
संबंधित प्रश्न
Which one of the following is not feasible
Flux is a substance which is used to convert
Zinc is obtained from ZnO by ____________.
What is the role of Limestone in the extraction of iron from its oxide Fe2O3?
Explain the following term with a suitable example.
Gangue
At the temperature corresponding to which of the points in figure, FeO will be reduced to Fe by coupling the reaction \[\ce{2FeO -> 2Fe + O2}\] with all of the following reactions?
(a) \[\ce{C + O2 -> CO2}\]
(b) \[\ce{2C + O2 -> 2CO}\]
(c) \[\ce{2CO + O2 -> 2CO2}\]
(i) Point A
(ii) Point B
(iii) Point D
(iv) Point E
Colemanite is:-
Sulphide ore of the metal are usually concentrated by froth floatation process. Which of the following sulphide ore offers an exception and is concentrated by chemical leaching?
Heating pyrites to remove sulphur is called ______.
The process that involves the removal of sulphur from the ores is ______.
