The valency of sulphate is

The valency of sodium is one. Write the molecular formula for the following compounds of sodium (a) sodium oxide (b) sodium sulphate (c) sodium carbonate (d) sodium hydroxide (e) sodium nitrate

IF valency of MG is '+2' and valency of Sulphate (SO_4) is '-2', then the formula of compound formed by these

Answer the following questions: State the valency of copper in copper sulphate (CuSO_4) .

The conversion of ferrous sulphate to ferric sulphate is ……….. reaction.