Chemistry, asked by Surender8145, 1 year ago

Why some type of obeservations are particuly needed to determine whether a chemical reactions taken place or nott?

Answers

Answered by princessAisha2
1
without observations we can't determine whether a chemical reaction is taking place or not
(1) evolution of gas
(2) formation of precipitated
(3) change in colour
(4) change in temperature
(5) change in state
show that chemical reaction is taking place
hope this will help you dear
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