Science, asked by kavitaadmache6, 6 months ago

give the characteristics of chemical reaction.explain any two'them

Answers

Answered by anupammishra1206

0

Answer:

1) Evolution of gas: In many chemical reactions, one of the products is gas. 2) Change of colour: certain chemical reactions are characterized by a change in the colour of the reactants. ... 4)Change of state: in many chemical reactions, a change of state is observed.

Answered by shivamdragon113

0

Answer:

Explanation:

The characteristics of a chemical reaction are :

Evolution of gas.

Formation of a precipitate.

Change in color.

Change in temperature.

Change in state.

Formation of new substances

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