These are random quick revision points in Community Medicine (SPM)
1. For disinfection of large water bodies - Method of choice of chlorination is CHLORINE GAS.
2. Chlorine gas is produced by PATERSON's CHLORONOME.
3. Greatest drawback of Chloramine is - SLOW ONSET of action.
4. Perchloron / HTH has 60-70% 'Available Chlorine'. Whereas Commercial Bleaching Powder has only 33%
Available Chlorine.