A. Food preservative
B. Drain cleaner
C. Baking powder
D. Rust remover
Answer: Drain cleaner
A. Food preservative
B. Drain cleaner
C. Baking powder
D. Rust remover
Answer: Drain cleaner
Additional Information: Sodium hydroxide is commonly used as a drain cleaner.
Subjects: Acids, Bases, and Salts, Chemistry