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Hydro-metallurgical process of extraction of metals is based on
Options
(a) Complex formation
(b) Hydrolysis
(c) Dehydration
(d) dehydrogenation
Correct Answer:
Complex formation
Explanation:
For example, Ag₂S is converted into Na[Ag(CN)₂]. When Zn is added, Ag is displaced.
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- If the hydrogen ion concentration of an acid decreases 10 times, its pH value
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Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The cell membranes are mainly composed of
- If the hydrogen ion concentration of an acid decreases 10 times, its pH value
- The amount of zinc required to produce 224mL of H₂ at STP on treatment with dilute H₂SO₄
- Highest electron affinity is shown by
- Aspirin is obtained by the reaction of salicylic acid with
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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