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Class 6
Hindi social science science maths English
Class 7
Hindi social science science maths English
Class 8
Hindi social science science maths English
Class 9
Hindi social science science Maths English
Class 10
Hindi Social science science Maths English
Class 11
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chemistry business studies biology accountancy
Class 12
Hindi physics physical education maths entrepreneurship english economics
chemistry business studies biology accountancy
Match the following : (a) Pure nitrogen (i) Chlorine (b) Haber process (ii) Sulphuric acid (c) Contact process (iii) Ammonia
Question : 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)
Answer : from all above options the correct answer is “(4) (iv) (iii) (ii) (i)”
It means the correct match of all options are given below –
• Pure nitrogen : Sodium azide or Barium azide
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