Melting point

The video explains the concept of melting points in pure solids, highlighting that each solid has a specific melting point. It provides examples, such as ice melting at 0°C and gold melting at 1064°C, to illustrate the concept.

What is the process called when a solid turns into a liquid?

• Evaporation

• Freezing

• Condensation

• Melting

What is a unique feature of pure solids regarding their melting?

• They melt at any temperature.

• They do not melt.

• They have no fixed melting point.

• They have a specific melting point.

At what temperature does ice melt?

• -10°C

• 100°C

• 0°C

• 50°C

Which of the following substances has a melting point of 1064°C?

• Silver

• Iron

• Copper

• Gold

Which of the following statements is true about the melting point of gold?

• It is the same as the melting point of ice.

• It is not a fixed temperature.

• It is higher than the melting point of ice.

• It is lower than the melting point of ice.