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The effects of acids and lyes on natural and commercial

The effects of acids and lyes on natural and commercial

Item no.: P7157400

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Indicators are dyes that indicate by a color change the presence of acids. Many of these indicators are dyes from naturally occurring fruits and vegetables. There are in addition to these naturally occurring technical manufactured dyes that can serve as indicators such as phenolphthalein. In this experiment students examine the effect of acids and alkalis on natural and industrially produced indicators. The natural and technical manufactured indicators are compared and determined which indicators are most suitable for acid detection.


What you can learn about

  •  Effcts of pH indicators



  • 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


Document     Filesize
p7157400e.pdf Experiment guide, English 299.27 KB

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