Como manter Asociacións cidade limpa de construción

How to keep our town. We are Muslims we should follow the teaching of Islam. Islam gives us the sense of purity cleanliness.We should therefore be clean in action and thought. Our holy prophet (peace be upon him) loved cleanliness, we should feel proud of following his footsteps. In Advanced countries even today people dust their houses and its surroundings themselves.In the evening the sprinkle water on the roads in front their houses. These things may be a cause of an epidemic Le máis [...]

serie e as características da serie homóloga homóloga

Homologous series and characteristics of homologous series Definition; Series of organic compounds which have a same functional group, similar structural feature but differ from each other by an integer number of CH2(grupo metileno) chámase "serie homóloga". O número de serie homóloga difire por masa molecular 14. Características da serie homóloga: Todos os números de serie homóloga teñen estruturas semellantes. Physical properties of homologous series change progressively Le máis [...]