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Gold is extracted by hydrometallurgical process, based on its property:
Option: 1
Of being less reactive
Option: 2
Of being electropositive
Option: 3
To form salts which are water soluble
Option: 4
To form complexes which are water soluble
Answers (1)
Gold is extracted by hydrometallurgical process, based on its priority to form soluble complexes.
Therefore, the option number (4) is correct.
View full answer
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