Punto de fusión

The video tutorial explains the concept of melting points in pure solids, highlighting that each pure solid has a characteristic melting point. It provides examples, noting that ice melts at 0 °C and gold melts at 1064 °C.

What is a characteristic property of pure solids?

• They dissolve in water.

• They can change color when heated.

• They have a characteristic melting point.

• They have a fixed boiling point.

What happens to a pure solid at its melting point?

• It becomes a liquid.

• It remains solid.

• It changes color.

• It turns into a gas.

Which of the following statements is true about melting points?

• Melting points are irrelevant to solid properties.

• Pure solids have specific melting points.

• Melting points are the same as boiling points.

• All solids have the same melting point.

At what temperature does ice melt?

• 273 °C

• 32 °C

• 0 °C

• 100 °C

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

• Silver

• Iron

• Gold

• Copper