Q.

The schematic diagram is given below :
 

Question Image

B is used in the preparation of 
(i) Washing soda             (ii) Baking soda
(iii) Bleaching powder    (iv) POP
 

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a

i, ii only

b

ii, iii only 

c

iii, iv only 

d

All 

answer is A.

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Detailed Solution

B is NH3 used in preparation of Na2CO3 and NaHCO3 .

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