Question

Given below is the table containing the properties of metals. Fill the dark spaces by identifying X and Y in the table.

• A. X - Hardness; Y - Toughness.
• B. X - Toughness; Y - Hardness.
• C. X - Lustre; Y - Ductility.
• D. X - Ductility; Y - Lustre.

Answer 1

The correct option is C X - Lustre; Y - Ductility.

X - Metals have unique ability to reflect light from their pure surface (without impurities). This results in a shining surface and the property is known as lustre.
Y - Ductility is a physical property of matter, usually metals. The ability of metals to be drawn into thin wires is called ductility.