Question

Chlorinated lime is popularly known as

• A. Quick lime
• B. Slaked lime
• C. Bleaching powder
• D. Lime water

Answer 1

Answer:

C. Bleaching powder

• Bleaching Powder / Chlorinated Lime : This is primarily calcium hypochlorite ($\text{Ca(OCl)}_2$) along with calcium chloride and calcium hydroxide. It is widely used for water purification, sanitizing, and bleaching textile fabrics.

• Quick Lime : This is pure calcium oxide ($\text{CaO}$), obtained by heating limestone.

• Slaked Lime : This is calcium hydroxide ($\text{Ca(OH)}_2$), which is formed when quicklime is mixed ("slaked") with water.

• Lime Water : This is simply a clear, saturated aqueous solution of slaked lime ($\text{Ca(OH)}_2$).