Question

list of observation that help up to determine a chemical change has taken place? ​

Answer 1

Answer:

Following are the observations to determine whether the chemical reaction has taken place or not:

Change in colou.

Evolution of gas.

Changee in temperature.

Formation of precipitate.

Change in pH.

Answer 2

Answer:

Following are the observations to determine whether the chemical reaction has taken place or not:

Change in colou.

Evolution of gas.

Changee in temperature.

Formation of precipitate.

Change in pH.

Explanation:

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