Category: Physical and Chemical Changes

Release of air (reversible change)

This experiment demonstrates the concept of a reversible change using a balloon…..

Crystallization

This experiment demonstrates the crystallisation of copper sulphate. A few drops of dilute sulphuric acid are added to water and heated. Copper …..

Carbon dioxide passing through lime water (Decomposition Reaction)

In this experiment, carbon dioxide gas is produced by mixing baking soda…..
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