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What is the primary use of nickel in industry?

• Electronics

• Construction

• Jewelry

• Batteries

Describe the properties of nickel that make it suitable for various applications.

• Corrosion resistance

• High melting point

• Magnetic properties

• All of the above

How is nickel extracted from its ores?

• Electrolysis

• Smelting

• Leaching

• All of the above

What are the environmental impacts of nickel mining?

• Soil contamination

• Water pollution

• Biodiversity loss

• All of the above

Explain the role of nickel in stainless steel production.

• Enhances strength

• Improves corrosion resistance

• Affects color

• Both 1 and 2