RPSC GWD A.En. – 2014
⭕ A. Chloramines
⭕ B. Bleaching powder
⭕ C. Both chloramines and bleaching powder
⭕ D. None of these
📚 Explanation:
Several chlorine compounds are used as disinfectants in water treatment. These include:
🔹 Free chlorine (liquid chlorine or chlorine gas)
🔹 Hypochlorite / Bleaching powder
🔹 Chlorine tablets
🔹 Chloramines
🔹 Chlorine dioxide
Both chloramines and bleaching powder are common and effective disinfecting agents used in water purification systems.
Several chlorine compounds are used as disinfectants in water treatment. These include:
🔹 Free chlorine (liquid chlorine or chlorine gas)
🔹 Hypochlorite / Bleaching powder
🔹 Chlorine tablets
🔹 Chloramines
🔹 Chlorine dioxide
Both chloramines and bleaching powder are common and effective disinfecting agents used in water purification systems.
👉 Therefore, the correct answer is: C. Both chloramines and bleaching powder
Key Points on Chlorine Disinfectants:
- Chloramines: Formed by combining ammonia with chlorine; used for long-lasting disinfection.
- Bleaching powder: A widely used hypochlorite compound for water disinfection.
- Multiple forms of chlorine: Gas chlorine, hypochlorites, chlorine dioxide are common disinfectants.