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Question 0

The method that can be used to convert hard water to soft water is

  • A.chlorination
  • B.passage over activated charcoal
  • C.the use of an ion-exchange resin
  • D.aeration
  • E.
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
1999
Question no.
#0
Type
Objective
Previous · Q0Nitrogen obtained from the liquefaction of air has a higher density than that… Next · Q0 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 7 , 4s 2 An element with the electronic…

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