Machine-translated by Google. Questions are authored in English.
Top

Discussion

One degree French of hardness equals

  • A.14.3 ppm
  • B.1 ppm
  • C.100 ppm
  • D.10 ppm

Answer: D

It is defined as one part of calcium carbonate in a hundred thousand parts of water, which works out at ten milligrams per litre. Converting between parts per million, Clark and French degrees is a routine step in any hardness calculation.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.