[" (a) "495cm^(3)" (b) 600"cm^(3)" (c) 900"cm^(3)" (d) "1700cm^(3)" ."],[" The volume of "0.0168mole" of "O_(2)" obtained by decomposition of KClO,and collected by displacement of "],[" water is "428ml" at a pressure of "754mm" Hg at "25^(@)C" The pressure of water vapour at "25^(@)C" is "],[[" (a) "18mmHg," (b) "20mmHg," (c) "22mmHg," (d) "24mm" Hg "]]