1.

Which of the following pairs are correctly matched? 1. Haber process.......Manufacture of ammonia 2. Bayer process.. .............. Manufacture of sulphuric acid 3. Birkeland-Eyde process......... Manufacture of nitric acid 4. Solvay process. ...................Manufacture of sodium carbonate Select the correct answer using the codes given below:

Answer»

 2, 3 and 4
1, 3 and 4
1, 2 and 4
1, 2 and 3:

ANSWER :B


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