The video explores platinum, a noble and precious metal known for its resistance to corrosion and oxidation. It covers its historical use by ancient civilizations and its discovery by Antonio de Rioja. Platinum is widely used in jewelry and trade due to its inertness. It also serves as a catalyst in chemical reactions, including hydrogenation and fuel cells. Additionally, platinum is used in technology, particularly in creating strong magnets for medical equipment and motors.

What is the atomic number of platinum?

• 78

• 79

• 81

• 80

Which ancient civilizations are known to have used platinum?

• Ancient Greece and Rome

• Pre-Columbian America and Ancient Egypt

• Ancient China and India

• Mesopotamia and Persia

Why is platinum preferred in jewelry making?

• It rarely reacts with other elements

• It is cheaper than other metals

• It is highly reactive

• It changes color over time

In what form is platinum used as a catalyst?

• Platinum black

• Platinum white

• Platinum blue

• Platinum red

What is a significant use of platinum in the automotive industry?

• Tire manufacturing

• Catalytic converters

• Fuel for engines

• Material for car bodies