The Production of Nickel and Copper Metals from Their Ores

question 12

Multiple Choice

The production of nickel and copper metals from their ores involves sulfur dioxide emissions because

• A)the ores of these elements are composed primarily of NiSO₂ and CuSO₂.
• B)the ores of these elements are composed primarily of NiS and CuS.
• C)to release the metals from their ores,the ores are heated with sulfur-containing coal.
• D)the release of metals from their ores involves the reaction of SO₃ with the ore.

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Definitions:

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, hypertension, heart attack, and stroke, among others.

Measurement

The process of quantifying or evaluating characteristics, properties, or performance using instruments or techniques.

Cardiovascular Disease

A group of disorders of the heart and blood vessels, such as coronary heart disease, cerebrovascular disease, and hypertension.

Ischemia

A condition characterized by insufficient blood flow to a part of the body, which can lead to tissue damage or organ dysfunction.