question_answer

Match the following items in column-I with the corresponding items in column-II.

Column-I	Column-II
(i) \[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]	A. Portland cement ingredient
(ii) \[Mg{{(HC{{O}_{3}})}_{2}}\]	B. Castner- Kellner process
(iii) \[NaOH\]	C. Solvay process
(iv) \[C{{a}_{3}}A{{l}_{2}}{{O}_{6}}\]	D. Temporary hardness

 [JEE  Main Online Paper (Held on 11-jan-2019 Evening)]

A) \[(i)\to B,(ii)\to C,(iii)\to A,(iv)\to D\]

B) \[(i)\to C,(ii)\to B,(iii)\to D,(iv)\to A\]

C) \[(i)\to C,(ii)\to D,(iii)\to B,(iv)\to A\]

D) \[(i)\to D,(ii)\to A,(iii)\to B,(iv)\to C\]