Advertisements
Advertisements
प्रश्न
Explain the following term with a suitable example.
Gangue
Advertisements
उत्तर
The non-metallic impurities, rocky materials and siliceous matter present in the ores are called gangue.
Example: SiO2 is the gangue present in the iron ore Fe2O3.
APPEARS IN
संबंधित प्रश्न
Out of C and CO, which is a better reducing agent for ZnO?
Which one of the following reaction represents calcinations?
Zinc is obtained from ZnO by ____________.
What are the various steps involved in the extraction of pure metals from their ores?
Which reagents are required for one step conversion of chlorobenzene to toluene?
The reaction of toluene with Cl2 in presence of FeCl3 gives ‘X’ while the of toluene with Cl2 in presence of light gives ‘Y’. Thus ‘X’ and ‘Y’are ______.
Extraction of gold and silver involves leaching the metal with CN– ion. The metal is recovered by ______.
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:-
Heating byrites to remove sulphtir is called
