Question

The lime which contains mainly calcium oxide and slakes with water is

• A. Fat lime
• B. Quick lime
• C. Hydrated lime
• D. Poor lime

Answer 1

Answer:

B. Quick lime

On heating limestone producing Quick lime (Cao) is produced. Quicklime is also called Caustic lime. Slaking is the process of immersing the lime(Quick lime .) in water producing powder form for use. The process of burning lime stone to redness in contact with air is called - Calcination also called rich lime or high calcium lime or pure lime, having 95% calcium oxide. • Hydraulic lime also called water lime, containing upto 30% of clay. Lime containing more than 30% clay is known as poor lime or lean lime or meagre lime