Oxygen content can be controlled by adding which of the following materials with water?
A. Acidic solution
B. Basic solution
C. Iodine
D. Hydrazine
Answer:D
Oxygen content can be controlled by adding which of the following materials with water?
A. Acidic solution B. Basic solution C. Iodine D. Hydrazine
Explanation: Oxygen content can be controlled by adding hydrazine with water. It is important to maintain dissolved oxygen content in boilers to reduce corrosion.