Metal Extraction Quiz

What metals are primarily discussed in the extraction process?

• Sodium and Aluminum

• Potassium and Calcium

• Magnesium and Iron

• Copper and Zinc

What is the primary raw material used in the industrial extraction of sodium?

• Sodium Nitrate

• Sodium Sulfate

• Sodium Chloride

• Sodium Oxide

Why is sodium chloride preferred over sodium oxide in industrial extraction?

• Sodium oxide is less reactive

• Sodium chloride is more abundant

• Sodium chloride is more stable

• Sodium oxide is more expensive

What material is used as the cathode in the extraction of sodium?

• Graphite

• Copper

• Iron

• Aluminum

What material is used as the anode in the extraction of sodium?

• Iron

• Copper

• Aluminum

• Graphite

During electrolysis, where do sodium ions move?

• React with chlorine

• Towards the anode

• Towards the cathode

• Remain in the solution

What is formed at the cathode during the electrolysis of sodium chloride?

• Chlorine gas

• Sodium metal

• Sodium chloride

• Hydrogen gas

What happens to the sodium metal formed during electrolysis at high temperatures?

• It dissolves in water

• It remains solid

• It becomes gaseous

• It becomes molten

What is released at the anode during the electrolysis of sodium chloride?

• Chlorine gas

• Oxygen gas

• Sodium gas

• Hydrogen gas

Why is chlorine gas collected during the electrolysis process?

• It is used to cool the system

• It is used in other industrial processes

• It is a waste product

• It is converted back to sodium chloride