what are important characteristics of occurrence of a chemical reaction
Answers
There are many important characteristics of occurrence of a chemical reaction:-
1. Chemical change
Due to chemical reactions the composition and structure of a particular substance changes.This leads to a particular chemical change. Heat may be released or absorbed.Ultimately new substances are formed.
2.Conditions
A chemical reaction only takes place at the optimum temperature and pressure at a particular condition.The reaction will not occur if the conditions are not suitable.
3.Products
You can identify a chemical reaction only when the products formed are identical from the reactants.
The new products are formed which is different in some aspects from the original reactants.
4.Other changes
The changes that may possibly occur are as follow:
- Release of gases
- Formation of solution
- Formation of precipitate(insoluble)
- Release of energy such as heat,light, or other types
- Changes in the colour of the mixture
- Changes in temperature
- Changes in volume
- Changes in pressure
- Changes in state
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