Neutralisation circles

Description

Drops of dilute acid and alkali are placed a few centimetres apart on a sheet of filter paper and allowed to spread out until they meet. A few drops of Universal indicator are then placed over the moist area of the filter paper and a band of colours showing the range of colours of the Universal indicator is seen on the paper.

Type of Activity

:
class practical

Audience

:
Teacher

Age Group

:
11 to 16 years
neutralisation-circles

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Hands-on practical activities or ideas for front of class demonstrations

ADDITIONAL INFORMATION

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