Characteristics and Uses of Chalk

The video provides a brief overview of chalk, discussing its basic uses and applications.

What is one of the primary uses of chalk?

• Writing on blackboards

• Fuel for vehicles

• Building construction

• Cooking ingredient

Which of the following is a characteristic of chalk?

• It is a metal

• It is a soft, white, porous sedimentary rock

• It is a type of plastic

• It is a liquid

Chalk is primarily composed of which mineral?

• Feldspar

• Gypsum

• Calcite

• Quartz

What is the chemical formula for the main component of chalk?

• C6H12O6

• CaCO3

• NaCl

• H2O

Which property of chalk makes it useful for writing?

• Its hardness

• Its ability to leave a mark on surfaces

• Its color

• Its porosity