why PH scale range is 14? why it is not less or not greater
than 14? solution of HCl or hydrogen containing liquid has
a PH. but if the solution is KMnO4 here not hydrogen power
does it PH? explain plz....
0.1 atom gram of the unknown element( X)reacts with 2.4 gram
of O2 to produce the oxid product . can you tell us, what is
the oxid formula ? a) XO b)X2O3 c)XO2 D) X2O4