8.3: COMPOSITION OF CERAMICS ABD ITS USES

What is the origin of the word " ceramic" ?

• Latin for " hard material"

• Greek for " potter's clay"

• Roman for "fire-resistant"

• French for "metal compounds"

What is the primary composition of ceramics?

• Organic substances

• Metallic and organic substances

• Inorganic and non-metallic substances

• Only clay

Which of the following processes is used to produce ceramics?

• Melting and cooling

• Shaping and hardening by heating

• Compressing and freezing

• Cutting and polishing

Which compound is NOT typically found in ceramics?

• Aluminium oxide

• Silicon carbide

• Titanium carbide

• Sodium chloride

Which of the following is a basic property of ceramics?

• High electrical conductivity

• Soft and flexible

• High thermal resistance

• Easily oxidized

What type of ceramics includes pottery and crockery?

• Metallic ceramics

• Advanced ceramics

• Traditional ceramics

• Synthetic ceramics

Which of the following is an example of advanced ceramics?

• Bricks

• Cutting discs

• rockery

• Bowls

Why are ceramics widely used in the health sector?

• They are flexible and easy to shape

• They are chemically inert

• They are made from organic substances

• They are electrically conductive

What is one disadvantage of ceramics?

• Poor thermal resistance

• High electrical conductivity

• They break easily
  

• Chemically reactive

What would happen if ceramics vanished from our daily lives?

• Increase in technological advancements

• Technological collapse and health sector crisis

• Improved electrical conductivity of materials

• Reduced thermal resistance in metals