Froath floataton proess is used for the concentration of
Froath floataton proess is used for the concentration of Options (a) amalgams (b) chloride ores (c) oxide ores (d) sulphide…
Froath floataton proess is used for the concentration of Options (a) amalgams (b) chloride ores (c) oxide ores (d) sulphide…
Cassiterite is concentrated by Options (a) flustation (b) liquation (c) levigation (d) electromagnetic separation Correct Answer: levigation Explanation:No explanation available.…
Which one of the following is true in electrolytic refining Options (a) Impure metal is made cathode (b) Impure metal…
Impurities present in the ore react to form a fusible substance known as Options (a) flux (b) gangue (c) nugget…
Hydro-metallurgical process of extraction of metals is based on Options (a) Complex formation (b) Hydrolysis (c) Dehydration (d) dehydrogenation Correct…
Which metal is extracted by complexing with KCN Options (a) Cu (b) Sn (c) Pb (d) Ag Correct Answer: AgExplanation:No…
Which one of the following is not a sulphide ore Options (a) Magnetic (b) Iron pyrites (c) Galena (d) Sphalerite…
The method not used in metallurgy to refine the impure metal is Options (a) Mond's process (b) Van-Arkel process (c)…
Which of the following sulphides when heated strongly in air gives the corresponding metal Options (a) Cu₂S (b) CuS (c)…
Carnallite on electrolysis gives Options (a) Ca and Cl₂ (b) Na and CO₂ (c) Al and Cl₂ (d) K and…