What is the difference between a mixture and a chemical reaction?

Answer :

1)composed substances=mix chemically, mixture=mix physically Composed substances are usually mix together through chemical process just like burning, titration and redox reaction. While mixture are mix together through physical process like dissolving and even putting together.

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conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.