XO3
X2O3
X3O2
XO2
None of the above
Correct answer is B
No explanation has been provided for this answer.
Determine the volume of 0.100 mol of HCl in \(0.250 mol dm^3\) of solution....
Which of the following metals is not extracted by electrolysis ? ...
The reaction between alkanoic acids and alkanols in the presence of a mineral acid is known as ...
Isotopes of an element contain ...
The determination of heat of combustion is carried out with ...