Question

Exposing+photographic+film+to+sunlight,+tearing+of+paper,+melting+of+butter,+formation+of+Clouds+among+these+which+one+is+chemical+change please answer

Answer 1

Answer:

photographic film to sunlight is a chemical reaction because photographic film is AgBr which when comes in contact of light splits itself because it undergoes photolytic decomposition due to which it breaks or splits itself into Ag and Br2 . The reaction is

AgBr ----> Ag + Br2

Hope this helps