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Listed under:  Science  >  Matter  >  Chemical analysis  >  Indicator chemicals  >  pH indicators  >  Litmus
Listed under:  Science  >  Matter  >  Chemical compounds  >  Organic compounds  >  Dyes  >  Litmus
Interactive resource

pH: what is pH?

Test solutions to find whether they are acidic, basic or neutral. Arrange them in order of acidity. Measure the pH of solutions using universal indicators and a pH meter. Identify mystery liquids by measuring their pH. For example, identify the liquid in a car battery as an acid. Remember, all acids and bases including ...

Interactive Resource

Acids and Alkalis

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand how to use indicators to classify solutions as acidic or alkaline. There is a two-question quiz and a summary slide.