Unit 2.3 IPC Review

Front

What is the purity (karat) of gold in a coin containing 4.6 g of gold and 0.4 g of copper?

Back

22

Front

What is a monomer?

Back

A monomer is a single unit that can join together with other monomers to form a polymer.

Front

What is a common limitation of ceramic materials?

Back

Ceramic materials are prone to shattering.

Front

What is adhesion in the context of water?

Back

Adhesion is the attraction of water molecules to other surfaces, which helps with capillarity.

Front

What category does carbon fiber belong to?

Back

Carbon fiber belongs to the composite category.

Front

Define a polymer.

Back

A polymer is a large molecule made up of repeating units called monomers.

Front

What is cohesion?

Back

Cohesion is the attraction between molecules of the same substance, such as water molecules.

Front

Explain the term 'density'.

Back

Density is the mass per unit volume of a substance.

Front

What is the significance of the pie chart in calculating purity?

Back

A pie chart visually represents the proportions of different components, helping to calculate purity.

Front

What is the difference between a metal and a composite material?

Back

Metals are elements that conduct electricity and heat, while composites are made from two or more different materials to enhance properties.