Kako Keep Our Town Clean Building partnerstva

Kako zadržati naš grad. Mi smo muslimani bi trebali pratiti nastavu islama. Islam nam daje osjećaj čistoće cleanliness.We stoga bi trebao biti čist u akciji i misli. Naš sveti prorok (savs) volio čistoći, bismo trebali osjećati ponosni na slijedećim njegovim stopama. 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 Čitaj više [...]

Homologni niz i karakteristike homolognih serija

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(metilen grupa) se zove "homologna serija". Broj homolognih serija razlikuje od molekularne mase 14. Karakteristike homologne serije: Svi brojevi homolognih serije imaju slične strukture. Physical properties of homologous series change progressively Čitaj više [...]