14 . Alkalinity of water a-is caused by Ca\"and Mg\" b- depends only on carbonat
ID: 1074221 • Letter: 1
Question
14 . Alkalinity of water a-is caused by Ca"and Mg" b- depends only on carbonates, bicarbonates and H c- is the acid-neutralizing capacity of water d- is a priority pollutant e- all of the above f- a & c only 15. Metheamoglobenemia is a syndrome (disease) that: a) is caused by the oxidation of nitrate and threatens infants b) poses a public health concern among infants when nitrate is high in drinking water c) can be fatal in infants and is caused by the reduction of nitrate to nitrite e) b&c; trueExplanation / Answer
Ans 14
Option E is the correct answer
Alkalinity is caused by the carbonates and bicarbonates of calcium and magnesium ions and also depends on the concentration of hydroxide ions in the water.
It is also known as positive acid neutralizing capacity for water
It is a priority pollutant
Ans 15
Option D is the correct answer
It is caused by oxidation of nitrate and is a health concern when it is high in drinking water and lower the haemoglobin in the infants
Related Questions
Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.