5Block: p-block..PAGE:3Ordinary tin is a silvery-white metal, is malleable, somewhat ductile, and has a highly ... produce a flat surface (Pilkington process)a crystalline tin-niobium alloy is superconductive at very low temperatures ... The organotin compounds are used as bactericides and fungicides in marine environments but cause environmental
Nitrogen oxides are formed by reaction from oxygen and nitrogen in the atmosphere at the hightemperature ... Outdoor pollutions are considered as a negative problem, since it damages our environment. ... To conclude, indoor and outdoor air pollution both have very negative effects on our environment and