For the textbooks used in Singapore, answers to this question are spread out in different chapters. This is the type of question in examination that test how well you have gone through your textbook in details. One way to study for such question is to Prepare Short Notes on your own (as compared to reading and revising directly from the textbook).
PERSEVERANCE:
Persistent people begin their success where others end in failure
– Edward Eggleston
Question:
What are the catalysts used for the following industrial process?
a) Manufacture of sulfuric acid
b) Manufacture of ammonia
c) Manufacture of margarine
PS: Check out the “Comments” below for suggested answers.