Green (field) red (liverpool jersey)

Fe + 2HCl ------>  FeCl2 + H2 this means iron displaces hydrogen from HCl bcoz it lies above hydrogen in the reactivity series, and FeCl2 is formed with the evolution of Hydrogen gas

Marine adaptations are more or less the same for all the organisms... They have a kind of air-bladder to help them float ....( I can't remember the term used for it) they have improved osmotic regulations they have thick mucilage cover to avoid the rotting effect of the water their body is laterally flat to … Read more

Frankly speaking... There r more advantages than disadvantages. Students become more broad minded and spontaneous... As for the disadvantages..... They start their so-called "TEEN AFFAIRS" in a much younger age..!! Heheheheheeeeeeee which a big problem for their parents.... Anyways, I'm in support of co-ed