Question

Common salt besides being used in kitchen can also be used as the raw material for making

(i) washing soda

(ii) bleaching powder

(iii) baking soda

(iv) slaked lime

(a) (i) and (ii)

(b) (i), (ii) and (iv)

(c) (i) and (iii)

(d) (i), (iii) and (iv)

Answer 1

The answer is (a) (i) and (ii)

• Chlorine in the bleaching powder is responsible for the bleaching effect.
• Baking Soda (NaHCO3) Washing Soda (Na2CO3)( Sodium Carbonate)
• Sodium carbonate is manufactured by the thermal decomposition of sodium hydrogen carbonate obtained from the Solvay process.
• The sodium carbonate obtained in this process is dry.