Testing acids and bases on a microscale

A scientist wearing disposable gloves holds indicator paper over a slice of lemon and a bar of soap

Source: © Getty Images

Test various substances with indicator solution and look for colour changes in this microscale class practical. Includes kit list and safety instructions.

In this experiment, students observe the colour changes that result from adding indicator solution to a variety of acidic and alkaline substances. They then use their observations to estimate the pH of each substance, determining its acidity or basicity.

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