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  9. Q16
Question 16

Natural water includes the following except

  • A.rain water
  • B.spring
  • C.pure water
  • D.lake water
Objective

Question details

Exam body
UNIBEN
Subject
General Paper
Year
2006/2007
Question no.
#16
Type
Objective
Previous · Q15The percentage by volume of nitrogen in air is high because Next · Q17 Which of the following cannot be used to remove permanent hardness of water?

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