Question

is breaking of molecules and making of new molecules.​

Answer 1

Answer:

Chemical Reactions. ... Reactions occur when two or more molecules interact and the molecules change. Bonds between atoms are broken and created to form new molecules. That's it.

Answer 2

A chemical reaction is braking of molecules and making of new molecules.

Explanation-

• In a chemical reaction the between the reactant molecules are torn apart.
• New substances are formed by the help of forming new bonds with the molecules broken down during the chemical reaction.
• In order for a chemical bond to be formed the energy needs to be released when the old one is broken.
• The energy given out comes back in many different forms like light, heat, electricity and many more.
• Chemical reactions are of two types endothermic and exothermic.
• Endothermic reactions absorbs heat from the environment whereas exothermic reaction releases the heat produced during the process.