Question
Environmental Studies Question on Ecology
Scaling may lead to corrosion and damage of boilers or water cooling systems. Which of the following compound is insoluble and forms scale?
A
Barium Sulfate
B
Calcium Chloride
C
Sodium Chloride
D
Sodium Nitrate
Answer
Barium Sulfate
Explanation
Solution
The correct option is (A): Barium Sulfate