The Importance and Applications of Zirconium

The video tutorial explains the differences between zirconium and zircon, highlighting that zirconium is a metal and zircon is a semi-precious stone. It covers the history of zirconium's discovery and its extraction processes, which are costly. Zirconium is used in various industries, including ceramics, glass, steel, and jewelry. It is also used in space vehicles and has high resistance to corrosion, making it suitable for industrial applications.

What is the primary difference between zirconium and zircon?

• Zirconium is a semi-precious stone, while zircon is a metal.

• Zirconium is a metal, while zircon is a semi-precious stone.

• Both are metals but have different atomic numbers.

• Both are semi-precious stones but differ in color.

Who was the first to successfully isolate zirconium?

• Martin Heinrich Klaproth

• John's Jacob Brasilias

• Marie Curie

• Dmitri Mendeleev

Which process is used to purify zircon from sand?

• Electrolysis

• Spiral concentrators

• Fractional crystallization

• Distillation

In which industry is zirconium dioxide commonly used?

• Automotive

• Pharmaceutical

• Ceramics and glass

• Textile

Why is zirconium valuable in corrosive environments?

• It is lightweight.

• It has a high melting point.

• It has high resistance to corrosion.

• It is cost-effective.