A . Ten times dilution of a normal solution (N) reduces its normality to N/10
B . When equal weights of oxygen and methane are mixed in an empty reactor at room temperature, then the fraction of total pressure exerted by the oxygen is 1/2
C . Volume occupied by 9.034 x 1023 atoms of oxygen in ozone (O₃) at NTP will be 11200 c.c
D . One kg mole of an ideal gas at N.T.P occupies 22400 Nm³
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