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Match the following : 

(a) Pure nitrogen(i) Chlorine
(b) Haber process(ii) Sulphuric acid
(c) Contact process(iii) Ammonia
(d) Deacon’s process(iv) Sodium azide or
      Barium azide

Which of the following is the correct option? 

        (a)   (b)    (c)   (d) 

(1)   (i)    (ii)   (iii)   (iv) 

(2)   (ii)   (iv)   (i)    (iii) 

(3)   (iii)  (iv)   (ii)    (i) 

(4)   (iv)  (iii)   (ii)    (i)

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The p block elements,sulphuric acid

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