Question 0

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
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
1978
Question no.
#0
Type
Objective

More from this paper

See all Chemistry 1978 questions