Question

Explain any three characteristics of a chemical reaction along with two examples each.

Answer 1

chemical reaction change the chemical properties of elements
chemical reaction make a strong force between two compounds or elements
chemical reaction combine to substance to make a single compound
Na+cl------NaCl

Answer 2

hey...MATE !!
Here's ur answer ,

♠1) chemical reactions are the process in which new substance with new properties are formed.

♠2) during chemical reaction, a rearrangement of atoms takes place between the reacting substance to form new substance having entirely different properties.

♠3) during a chemical reaction, atoms of new one element do not change into those of another element.
Only a rearrangement of atoms takes place in a chemical reaction.

♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣

examples :-

♠1) Magnesium + oxygen = magnesium oxide.
♠2) Xn + H2SO4 = ZnSO4 + H2

♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣♣

↪Hope it might be helpful ❗❗