1.6.1 Composition and Uses

• Limestone is a naturally occurring mineral found in the Earth's crust.


  True
• How is limestone used in agriculture?

  To neutralize acidic soils
• What is the chemical formula for calcium carbonate?

  $CaCO_{3}$
• Limestone is used in agriculture to provide calcium for plant growth.
• Limestone is a sedimentary rock primarily composed of calcium carbonate (CaCO3).


  True
• Limestone has a hardness of 3 on the Mohs scale.
• What role does limestone play in carbon sequestration?

  Absorbs CO2 from the atmosphere
• How does limestone mitigate acid rain?

  Neutralizes acidic rain
• Limestone is used to remove sulfur dioxide from power plant emissions
• Limestone filters impurities from water
• Limestone is a raw material in the production of glass, paper, and steel
• Limestone's high porosity affects its durability
• Limestone is composed primarily of calcium carbonate
• In construction, limestone is used in the production of cement, concrete, and bricks
• Limestone is used environmentally to remove sulfur dioxide
• Calcium carbonate consists of calcium, carbon, and oxygen atoms.


  True
• Match the use of limestone with its description:

  Construction ↔️ Used as a building material

  Agriculture ↔️ Neutralizes acidic soils

  Chemical Industry ↔️ Raw material for glass

  Environmental ↔️ Removes sulfur dioxide
• What are the key components of limestone?

  Calcium, carbon, oxygen
• Limestone is used in construction for producing cement, concrete, and bricks.


  True
• Limestone filters impurities from water, ensuring cleaner supplies for ecosystems.

  True
• Limestone is a key raw material in the production of glass, paper, and steel.

  True
• Limestone increases soil pH, improving fertility and plant growth.


  True
• What is the primary chemical composition of limestone?

  Calcium carbonate
• Limestone has a hardness of 3 on the Mohs scale, making it relatively soft.


  True
• How does limestone contribute to carbon sequestration?

  Stores CO2 as calcium carbonate
• What type of rock is limestone?

  Sedimentary rock
• What are the main uses of limestone?

  Construction, agriculture, industry
• Limestone is a raw material in the chemical industry for producing glass, paper, and steel.


  True
• What are the key environmental uses of limestone?

  Removing sulfur dioxide
• Limestone consists mainly of calcium carbonate
• Why does limestone's high porosity affect its use in construction?

  It absorbs water and gases
• Limestone neutralizes acidic soils by increasing their pH
• What does limestone provide for plant growth?

  Calcium
• How does limestone contribute to carbon sequestration?

  Stores CO2 as calcium carbonate
• How does limestone mitigate acid rain?

  Neutralizes acids in precipitation
• What is the chemical formula for calcium carbonate?

  $CaCO_{3}$
• Match the use of limestone with its description:

  Construction ↔️ Production of cement and concrete

  Agriculture ↔️ Neutralizes acidic soils

  Chemical Industry ↔️ Raw material for glass and steel

  Environmental ↔️ Removes sulfur dioxide