What is chemical factions? Give some examples of chemical reactions.
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The reaction in which the following changes are observed then it must be a chemical reaction ---
(1) change in colour.
(2) change in temperature.
(3) Formation of preciptate.
(4) change in state etc.
Examples of chemical reaction is---
CaO+H2O - Ca(OH)+ heat
In the above reaction there is the change in temperature, so it is a chemical reaction.
(1) change in colour.
(2) change in temperature.
(3) Formation of preciptate.
(4) change in state etc.
Examples of chemical reaction is---
CaO+H2O - Ca(OH)+ heat
In the above reaction there is the change in temperature, so it is a chemical reaction.
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