8J-DT-METALS-26 SEP2024

What is malleability in metals?

• Malleability in metals refers to their ability to conduct electricity.

• Malleability is the process of melting metals for casting.

• Malleability in metals is the ability to be shaped or deformed without breaking.

• Malleability in metals is the resistance to corrosion.

How does ductility differ from malleability?

• Ductility and malleability are the same properties of materials.

• Ductility is the ability to be compressed; malleability is the ability to be heated without changing shape.

• Ductility refers to the ability to be molded into shapes; malleability refers to the ability to be drawn into wires.

• Ductility is the ability to be stretched into a wire; malleability is the ability to be shaped into sheets.

What does sonority refer to in the context of metals?

• Sonority indicates the color of a metal.

• Sonority is the measure of a metal's density.

• Sonority refers to the weight of a metal.

• Sonority refers to the ability of a metal to produce a resonant sound.

Why is lustre an important property of metals?

• Lustre is a measure of a metal's hardness.

• Lustre indicates the electrical conductivity of metals.

• Lustre determines the melting point of metals.

• Lustre indicates the ability of metals to reflect light, contributing to their visual appeal and aesthetic value.

How do metals conduct electricity and heat?

• Metals conduct electricity by vibrating atoms.

• Metals conduct electricity through thermal expansion.

• Metals conduct electricity and heat through the movement of free electrons.

• Metals conduct heat by trapping air molecules.

A mixture of different metals is known as

• Metal mix
• cement
• Alloy
• atom