A. Concentration B. Refining C. Smelting D. None of these
Vyanu Latest Questions
DeepanjaliEnlightened
A. Gold B. Silver C. Copper D. Sodium
A. Oxide ores B. Sulphide ores C. Silicate ores D. Carbonate ores
DeepanjaliEnlightened
A. Zn and Pb B. Fe and Hg C. Fe and C D. C and Pt
A. Hoop’s process B. Bayer’s process C. Serpeak’s process D. Hall’s process
A. Pine oil B. Mustard oil C. Coconut oil D. Olive oil
DeepanjaliEnlightened
A. Concentration of an ore B. Reduction of metal oxide C. Purification of metal D purification of an ore
A. Nickel B. Zinc C. Sodium D. Aluminium
A. Hydride B. Chloride C. Azide D. Carbonyl