Question

Define change in colour with examples

Answer 1

Answer:

Sometimes a change in color is simply the mixing of two colors and not due to a change in the composition of the substances used. For example, putting red food coloring and blue food coloring in a beaker of water results in purple water, but no chemical reaction has occurred. 2 votes. 2 votes.

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Answer 2

Answer:

In some chemical reactions, change of colour takes place when reactants form products. Examples: 1. When green-coloured copper carbonate is heated, it turns into black-coloured copper oxide. green black.