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Need help this is the last one lol :)

Need help this is the last one lol :)-example-1

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Answer:

C. A new substance has been formed

Step-by-step explanation:

A chemical change is one of the two types of changes (the other being physical change) in which the chemical composition of the substance (s) is altered. In a chemical change, which is usually IRREVERSIBLE, a new substance formed because there is rearrangement of atoms at the chemical level.

A chemical change is characterized by the following: formation of precipitates, evolution of gas etc. According to the image attached in this question, a blue precipitate is formed after a reaction between two solutions. This can be said to be an example of CHEMICAL CHANGE because it shows that a new substance has been formed.

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