The effects of acids on indicators

Article no. P7157300 | Type: Experiments

10 Minutes
10 Minutes
grades 5-7 , grades 7-10

Also part of:

Student set Acids, Bases, Salts, TESS advanced Chemistry

Article no. 25302-88 | Type: Set

Delivery time: 3-4 weeks


Indicators are dyes that indicate by a color change the presence of acids. A large number of vegetable colorants, which act as indicators, can be found. In this experiment students examine the effect of different acids on different natural substances (for example flower pigments).


Learning objectives

  •  Reaction of pH indicator and acids



  • Easy teaching and efficient learning by using interactive experimentation PHYWE-Software
  • Experiment is part of a complete solution set with experiments for the topic acids, alkalis and salts matched with international curriculum: all topics are covered


File name
File size
File type
(en) Experiment guide
p7157300e .pdf
File size 0.39 Mb
(de) Versuchsbeschreibung
p7157300_de .pdf
File size 2.51 Mb
(es) Versuchsbeschreibung
p7157300_es .pdf
File size 2.48 Mb
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