SSC MTS EXAM

Detailed explanation-1: -Matter can change form through physical and chemical changes, but through any of these changes matter is conserved. The same amount of matter exists before and after the change-none is created or destroyed. This concept is called the Law of Conservation of Mass .

Detailed explanation-2: -In physical changes, the arrangement of particles may change but the mass, number of atoms, and number of molecules will stay the same.

Detailed explanation-3: -According to law of conservation of mass, during a chemical reaction, the total mass of the products remains equal to the that of reactants. In other words, the law states that mass can neither be created nor destroyed in a chemical reaction.

Detailed explanation-4: -The law of conservation of energy states that in any physical or chemical process, energy is neither created nor destroyed. In other words, the entire energy in the universe is conserved.