Choose the INCORRECT Statement

question 35

Multiple Choice

Choose the INCORRECT statement.

• A) Precipitation in hydrometallurgy is to precipitate the metal as an ionic solid or reduce it to the metal.
• B) Leaching for gold is done by the cyanidation process where Au+ is complexed with cyanide ion.
• C) In cyanidation, the gold is displaced from the complex by an active metal.
• D) Pyrometallurgy uses low temperature to freeze out the metal from the ore.
• E) Hydometallurgy uses water and aqueous solutions at moderate temperatures to handle materials.

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Definitions:

NAFTA

The North American Free Trade Agreement, a treaty between Canada, Mexico, and the United States to reduce trading costs, increase business investment, and help North America be more competitive in the global marketplace.

Labor Cooperation

The collaboration between labor forces, often across organizations or countries, to achieve common objectives.

Social Clause

A provision in trade agreements aimed at ensuring that trade does not lead to the detriment of labor or environmental standards.

WTO

World Trade Organization, an international body that regulates international trade between nations, aiming to ensure that trade flows smoothly and freely.