Match the following columns:
Column-$I$ Column-$II$
$(i)$ Solvay process $(p)$ $Na_2O$
$(ii)$ Evolve $CO_2$ on heating $(q)$ $Na_2O_2$
$(iii)$ Aqueous solution is not neutral towards litmus $(r)$ $NaHCO_3$
$(iv)$ Used as air purifier in submarine $(s)$ $Na_2CO_3$

  • A
    $i-r, ii-r, iii-p,q,r,s, iv-q$
  • B
    $i-s, ii-r, iii-p,q,r,s, iv-q$
  • C
    $i-r,s, ii-r, iii-p,q,r,s, iv-q$
  • D
    $i-p,q,r,s, ii-r,s, iii-r, iv-q$

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