Question

give charecterstics of chemical reaction with5 examples each​

Answer 1

Answer:

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.

Answer 2

Answer:

Your answer is.......

Some chemical reactions are characterised by the formation of precipitate. For Ex:

1)Reaction between Potassium iodide and lead nitrate to form yellow precipitate of lead iodide.

2)Reaction between sulphuric acid and barium chloride to form white precipitate of barium sulphate.

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