Advertisements
Advertisements
प्रश्न
Assertion: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal.
Reason: Copper is extracted by hydrometallurgy.
विकल्प
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true but reason is not the correct explanation of assertion.
Assertion is true but reason is false.
Assertion is false but reason is true.
Assertion and reason both are wrong.
उत्तर
Both assertion and reason are true but reason is not the correct explanation of assertion.
Explanation:
Copper is extracted by hydrometallurgical process. In this process, salts of metal are dissolved in suitable solvent like water and then reduced by more electropositive element.
APPEARS IN
संबंधित प्रश्न
Name the method used for the refining of zirconium.
What is meant by the term “chromatography”?
Write the chemical equations involved in van Arkel method for refining zirconium metal.
What happens when Silver is leached with NaCN in the presence of air?
What happens when NaCN is added in an ore containing PbS and ZnS during concentration by froth floatation method?
Purification of crude metals by removing metallic and non-metallic impurities is known as ______ of metals.
Refining using liquation method is the most suitable for metals with ______.
Describe a method for refining nickel.
Describe a method for refining nickel.
Describe a method for refining nickel.
