LIME KILNS

• WHERE ARE LIME KILNS FOUND?

  areas with limestone rock
• WHAT IS LIMESTONE ROCK MAINLY?

  CaCO3
• WHAT IS PRODUCED WHEN LIMESTONE IS HEATED IN KILNS AND FIRED BY WOOD/ COAL?

  quicklime
• HOW IS QUICKLIME PRODUCED?

  limestone is heated in kilns and fired by wood/ coal
• CHEMICAL FORMULA FOR QUICKLIME?

  CaO
• WHAT ARE THE USES OF QUICKLIME?

  • to make building mortar
  • treat acidic soil
  • to make glass
• WHAT DOES HEAT DO TO LIMESTONE IN KILN?

  decomposes it
• FORMULA FOR HEAT DECOMPOSING LIMESTONE IN KILN?

  CaCO3 (s) -> CaO (s) + CO2 (g)
• WHAT IS USED TO NEUTRALISE ACIDIC SOIL?

  lime and slaked lime
• FORMULA FOR LIME?

  CaO
• FORMULA FOR SLAKED LIME?

  Ca(OH)2
• WHAT IS PRODUCED WHEN LIME AND SLAKED LIME NEUTRALISE ACIDIC SOIL?

  water