Science, asked by golu193, 1 year ago

what observation help to determine a chemical reaction has taken place

Answers

Answered by mayankjha2003oud2yr
0
There are following characteristics of a Chemical reaction-
1) Evolution of a gas
2) Change in state
3) Change in colour 
4) Formation of a precipitate(insoluble solid substance)
5) Change in temperature

Hope you got the answer!

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