Amit spilled a bottle of ammonia in one corner of the lab. Soon the lab was filled with an pungent odour. The students immediately opened the windows and exhaust fans. After some time they got relief A. state the phenomenon which led the pungent odour of ammonia to spread in the whole laboratory ? B. write the compostion of white fumes ? C. State the values of the fellow students and teaher in above accident ? D. Suggest any precaution needed for the labortory ?