Question

eg of change occurs in colour of a substance​

Answer 1

Answer:

CuSO4+Fe=FeSO4+Cu

Copper reacts with oxygen, H2O and CO2 to give copper carbonate, which changes color from brown to blue or blue green. Rusting, blackening of surfaces of cut vegetables and fruits are other examples of change of color in a chemical reaction.

Answer 2

Answer:

eg of change occurs in colour of a substance

Explanation:

If you use litmus paper (Red) And touch it to acid than litmus paper become blue in colour .

2:- If you will take turmeric and add some washing power and then if u will mixed it it becomes red due to chemical change.

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