what is meant by chemical reaction?
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Answered by
10
A chemical reaction is an rearrangement of the molecular or ionic structure of a substance.whenever any chemical reactio occurs there is=
1.change in state
2.evolution of gas
3.change in temprature
4.change in colour of the solution
1.change in state
2.evolution of gas
3.change in temprature
4.change in colour of the solution
Answered by
8
The reaction in which new substances with new properties are formed is called a chemical reaction.
Eg: #Mg +O2 =MgO
#Cu +AgNO3=Cu(NO3)2 +Ag
Eg: #Mg +O2 =MgO
#Cu +AgNO3=Cu(NO3)2 +Ag
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