Class XI Hydrogen is the first element in the periodic table and has resemblance to alkali metals as well as with halogens. However, its placement in the periodic table has been a subject of discussion in the past. Currently hydrogen is placed in which group? separate group 4 1 17 Dihydrogen is used in fuel cells for generating electrical energy because does not produce any pollution releases lesser energy per unit mass of fuel is rather unreactive at moderate temperatures the surface tension is low An ice cube floats on water because Density of ice is zero Density of ice is more than that of water Density of ice is less than that of water Density of ice is equal to that of water What is false about Lanes process ? Method used for manufacture of dihydrogen It involves the oxidation of iron by stema It involves the reduction of H2O (g) by iron It involves the oxidation of water gas Water shows anomalous behavior between 0 to 4 degree C 0 to 5 degree C 0 to -4 degree C 4 to 0 degree C Do you really want to submit this quiz? Cancel Submit Quiz
