What are the uses of Limestone?

The video explores the diverse applications of limestone, from its use in producing quicklime and slake lime to its historical and modern role in construction. It highlights the environmental impact of acid rain on limestone structures and details limestone's use in making cement, mortar, and concrete. The video also covers limestone's role in glass production, soil neutralization, and everyday products like paints and toothpaste. Additionally, it explains chemical reactions involving limestone and the formation of limescale.

Which of the following structures is NOT made of limestone?

• Machu Picchu

• Eiffel Tower

• Empire State Building

• Great Pyramid of Giza

What is a major environmental issue affecting limestone structures?

• Global warming

• Acid rain

• Deforestation

• Soil erosion

What is produced when limestone is heated with clay in a rotary kiln?

• Mortar

• Glass

• Concrete

• Cement

Which process involves using limestone to neutralize acidic waters and soils?

• Calcination

• Liming

• Oxidation

• Hydration

What causes limescale in kettles and faucets?

• Alkaline water with dissolved potassium ions

• Acidic water with dissolved carbon dioxide

• Soft water with dissolved sodium ions

• Hard water with dissolved calcium and magnesium ions