how do you know chemical reaction is take place
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when chemical reaction takes place the following things happens
1)heat is evolved.
2) precipitate is formed..
3)color starts changing..
4)change in temperature ...
5) state changes..
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Answered by
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in physical process the reactent change into product and product again change in to reactent called physical change
in chemical product can't change in to reactent .it is fast .
in chemical reaction process take place are
broken of molecule in to anion and cation
formation of new molecule called product
in conversion of reactent to product physical property may changes
colour taste etc
in chemical reaction formation of
new bond take place
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