Characteristic of chemical reaction .with example.?
Answers
♣️Chemical reaction♣️
⏩characteristics
- evolution of a gas.
example : the chemical reaction between sodium carbonate and dilute hydrochloric acid is characterized by the evolution of carbon dioxide gas.
- formation of a precipitate
example: the chemical reaction between potassium iodide and lead nitrate is characterized by the formation of a yellow precipitate of lead iodide.
- change in colour.
example : the chemical reaction between citric acid and purple coloured potassium permanganate solution is characterized by the change in colour from purple to colourless.
- change in temperature
example : the chemical reaction between zinc granules and dilute sulphuric acid is characterized by a change in temperature.
- change in state.
example: the combustion reaction of candle wax is characterised by change in state from solid to liquid and gas.
⏩ I hope it help you ❤️
Answer:
Characteristics of chemical reaction are:-
1. Evolution of gas
2. Change in colour
3. Formation of precipitate
4. Change in temperature
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