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Unit 10 · Materials Used in Daily Life

Indicators

ScienceSubject

15 minEstimated read

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Question 1 of 10

1Which common indicator is prepared from lichen?

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Unit 10 topics

Indicators Acids Bases and Salts Metals Non-metals

Quick Facts

Unit: 10: Materials Used in Daily Life
Topic: Indicators
Domain: Chemistry

Seeing what cannot be seen

Study Tip

Do not memorise all twelve boxes of the colour table. Learn one line: red means acid, in every indicator that gives a red. The base colours are the other end of each indicator, and the salt column has no information in it at all, because in a salt nothing happens.