__Double Contact Double Absorption (DCDA) process is the most recent p – McqOptions

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1.	__Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of__
A.	Nitric acid
B.	Sulphuric acid
C.	Ammonium sulphate
D.	Hydrochloric acid
Answer» C. Ammonium sulphate

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