Tuesday, 6 December 2011

Litmus paper

  • Litmus paper are strips of paper that are coated with special chemicals.
  • There are two types of litmus paper, blue litmus paper and red litmus paper.
  • To test whether a substances is acidic or alkaline, touch the substances with both the blue and red litmus paper.
  • The colour of the litmus paper before and after touching the substances is observed.

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