Question

3. Which of these is not a characteristic of chemical reaction?
(a) production of heat
(b) change in colour
(c) liberation of gas
(d) formation of no new substance
please give me answer fast..​

Answer 1

Explanation:

d formation of no new substance

Answer 2

(d) formation of no new substance. is correct option

༄༄߷߷ Explanation༄༄

Identification of Chemical Reaction

A chemical reaction can be identified by either of the following observations:

(1) Change in state

(ii) Evolution of a gas

(v) Formation of a precipitate

(i) Change in colour

(iv) Change in temperature

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