Question

Define chemical reaction .Name the types of chemical reaction. ? 0

Answer 1

Whenever a chemical change takes place,we say that a chemical reaction has taken place.

We come to know whether a chemical reaction has taken place if there is-

1)change in state

2)change in colour

3)evolution of gas

4)change in temperature

Types Of reactions are-

1)combination rxn

2)decomposition rxn

3)displacement rxn

4)double displacement rxn

5)oxidation and reduction rxn

Hope this helps you....plz mark this answer as brainliest

Answer 2

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chemical Reaction:

chemical reaction are the process in which new substance with new properties are formed

During chemical reaction atoms of an element do not change into those of another element only arrangement of atoms place in chemical reaction

(1) The substance which take part in a chemical reaction are called reactant

(2) The new substance produced as a result of chemical reaction are called product

Types of chemical reaction

(1)combination reaction

(2)decomposition reaction

(3)displacement reaction

(4)double displacement reaction

(5)oxidation and reduction reaction