Chemistry, asked by anisha6460, 1 year ago

with the help of an activity, demonstrate how do we know that a chemical reaction has taken place​

Answers

Answered by faisalkhan07
3

Answer:

Eg: Cl2+2Na---->2NaCl. By adding universal indicators we can identify the colour of reactants and products and know whether reactants are formed or not. ... Formation of precipitate.

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