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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?

1. (a) (i) (c) (ii) (d) (iv)
2. (b) (ii) (c) (iv) (d) (iii)
3. (c) (iii) (iv) (i) (i)
4. (d) (iv) (iii) (ii) (i)

Correct answer: (d) (iv) (iii) (ii) (i)

Solution

Pure nitrogen is obtained from sodium azide or barium azide (iv), the Haber process produces ammonia (iii), the Contact process is used for sulfuric acid production (ii), and Deacon’s process is for chlorine production (i).

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