English, asked by mohdrafi9910, 5 months ago

+ Give two obres vation
that help to detarmine
whether a chemical reaction has taken place ?
a

Answers

Answered by Anonymous

Following are the observations to determine whether the chemical reaction has taken place or not: Change in colou. Evolution of gas. Changee in temperature.

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Answered by newelectricals9999

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+ Give two obres vation that help to detarminewhether a chemical reaction has taken place ?a​

Answers

+ Give two obres vation
that help to detarmine
whether a chemical reaction has taken place ?
a