Question

give an exampe of chemical change in which there is a change of color that takes place

Answer 1

Answer:

Hydrated Copper Carbonate

Explanation:

When copper reacts with the elements (oxygen, water and carbon dioxide), it turns from its element color of reddish-brown to green. This chemical reaction is hydrated copper carbonate, and a famous example of it is the Statue of Liberty.

Answer 2

Potassium iodide and lead(II) nitrate are combined and undergo a double replacement reaction. Potassium iodide reacts with lead(II) nitrate and produces lead(II) iodide and potassium nitrate. ... The lead ions and iodide ions will eventually meet to form a yellow precipitate.
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