The oxidation state(s) of nitrogen in ammonium nitrite is/are
Hydrogen bond is a sort of
Methane is prepared in the laboratory by heating a mixture of sodium ethanoate with soda lime. The chemical constituent(s) of soda lime is/are
Which of the following sets of operation will completely separate a mixture of sodium chloride, sand and iodine?
200cm\(^3\) of 0.50mol/dm\(^3\) solution of calcium hydrogen trioxocarbonate (IV) is heated. The maximum weight of solid precipitated is