Question

- How would you decide whether a charge is
physical or chemicals Mention two charechteristics of each kind of change​

Answer 1

Answer:

A new substance is produced in a chemical change by the rearrangement of atoms but physical changes mainly include change of state,reversible changes etc. 2. new substances are produced in chemical changes while substance remains same in physical change in terms of molecular arrangement and hello..

Answer 2

Answer:

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition