Question 11 - MCQs from NCERT Exemplar - Chapter 2 Class 10 - Acids, Bases and Salts

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

Common salt is NaCl.

And from the given options

• Washing soda is Na ₂ CO ₃ .10H ₂ O 
• Bleaching powder is CaOCl ₂
• B aking soda is NaHCO ₃
• Slaked lime is Ca(OH)₂

Since only Washing Soda and Baking Soda has compounds of Na

So, the correct option is (c) (i) and (iii)