In the Bayer Process, the Purpose of Filtration After the Ore

question 2

Multiple Choice

In the Bayer process, the purpose of filtration after the ore has been digested in concentrated sodium hydroxide is .

• A) to remove the sodium ions from the sodium hydroxide solution
• B) to separate the soluble aluminum complex from the insoluble iron impurities
• C) to remove the anode sludge
• D) to separate the insoluble aluminum oxide from the soluble iron impurity
• E) to separate the aluminum metal from the hydroxide ions

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Definitions:

Flatworms

A group of invertebrates within the phylum Platyhelminthes, known for their flat bodies, and include species such as tapeworms and liver flukes.

Excretion

Elimination of metabolic wastes by an organism at exchange boundaries such as the plasma membrane of unicellular organisms and excretory tubules of multicellular animals.

Trichinella Worms

Parasitic roundworms that cause trichinosis, a disease that results from consuming undercooked meat containing cysts of the worm.

Skeletal Muscle

Striated, voluntary muscle tissue that comprises the majority of the muscles in the human body; also called striated muscle.