Will the solution of sodium carbonate acidic or basic?

Explain why an aqueous solution of sodium sulphate is neutral while an aqueous solution of sodium carbonate is basic in nature.

Sodium carbonate is also called

Is the sting of ants acidic or basic?

What happens when solutions of sodium hydrogen carbonate is heated?

25.3 g of sodium carbonate Na_2CO_3 is dissolved in enough water to make 250 ml of solution. If sodium carbonate dissociated completely, molar concentration of sodium ion, Na^+ and carbonate ions , CO_3^(2-) are respectively (Molar mass of Na_2CO_3=106gmol^-1) .

The nature of soluton when sodium carbonate is dissolved in water will be

Give the different uses of sodium carbonate or washing soda.