question_answer

Which of the following pairs are correctly matched?

1. Haber process	Manufacture of ammonia
2. Leblanc 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:

A)  2, 3 and 4           

B)  1, 2, 3 and 4

C)  1, 2 and 4      

D)         1, 2 and 3

E)  1, 3 and 4