Upload answer sheets 07. (A). Suggest and explain the suitable water purification method for converting the seawater into potable water and mention the advantage (B). A sample of coal contains C = 90%; H = 5% and ash - 5%. The following data were obtained when the above coal was tested in a bomb calorimetite of combud 0.95 gm, WL of water taken = 2300 gm, Water equivalent of calorimeter = 550 gm, Rise in temperature -2.5", Fuse wire correction = 10.0 cal. Acid connection 10 cal Calculate the gross and net calorific value of the coal, assuming the latent heat of condensation of steam as 580 callgm