Question

odd man out with reason sodium carbonate,sodium chloride,sodium sulphate,sodium nitrate​

Answer 1

odd man out is sodium nitrate as it is an acid and rest of all are sodium salts

Answer 2

sodium chloride is the odd one( all mixture s consists of Na,O,S.Na,O, C.NaO,N ie Na,O, any other element.But sodium chloride consists ofNa,CI where there is no O element.