Chemistry
JAMB 1978
A sample of hard water contains some calcium sulphate and calcium hydrogen carbonate. The total hardness may therefore be removed by
-
A.
boiling the water
-
B.
adding excess calcium hydroxide
-
C.
adding a calculated amount of calcium hydroxide
-
D.
adding sodium carbonate
-
E.
adding magnesium hydroxide
Correct Answer: Option D
Explanation
No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn, please
click here
Report an Error
Ask A Question
Download App
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}