Chemistry
Grade-8
Easy

Question

What is the common name for calcium oxide?

  1. Bleaching powder
  2. Soda lime
  3. Slaked lime
  4. Quick lime

hintHint:

Calcium oxide is also called burnt lime.

The correct answer is: Quick lime


    • Calcium oxide (CaO), commonly known as quicklime, is a widely used compound. It is a white, caustic, alkaline, crystalline solid at room temperature.
    • Calcium oxide is widely used in industry. 
    • Manufacture of porcelain and glass; refining of sugar; manufacture of bleaching powder, calcium carbide, and calcium cyanamide with water softeners; and with mortar and cement.
    • In agriculture, it is used to treat acidic soils.

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