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Question 21

Which of the following will not affect the degree of hardness in a sample of temporarily hard water?

  • A.Addition of washing soda
  • B.Adding of soap
  • C.Treatment with carbon exchange resin
  • D.Filtration
  • E.Distillation
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1993
Question no.
#21
Type
Objective
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