What is the primary use of sulfuric acid in industry?
A
Textile dyeing
B
Food preservation
C
Water purification
D
Fertilizer production
Correct Answer: Option D — Fertilizer production
Explanation:
Sulfuric acid is extensively used in the production of phosphate fertilizers, making it one of the most important industrial chemicals worldwide. It is also used in battery manufacturing, metal processing, and petroleum refining.