Physics, asked by jiusunkov, 5 hours ago

explain the characteristics of chemical reactions with example

Answers

Answered by shahusneha269

1

Explanation:

Some chemical reactions are characterised by the evolution of gas. For Ex:1)Reaction between zinc and dilute sulphuric acid to form hydrogen gas. 2)Reaction between sodium carbonate and dilute hydrochloric acid to form carbon dioxide gas. Some chemical reactions are characterised by the formation of precipitate.

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