Chemistry
Grade-8
Easy
Question
What is the common name for calcium oxide?
- Bleaching powder
- Soda lime
- Slaked lime
- Quick lime
Hint:
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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