Chemistry, asked by parth16125, 11 months ago

give an example of a chemical reaction for each of the following a heat are produced b a change in smell takes place c a change in colour is observed d a gas is evolved ​

Answers

Answered by nawazWilliams
0

Na + Hcl = Nacl + H2 released

Answered by susmita8763
0

Answer:

burning of any substance like roti (chapati/bread )

Explanation:

observation....

  1. heat we give
  2. heat we givesmell is changed
  3. heat we givesmell is changedcolour is changed
  • not reversable!

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