What Is The Difference Between Physical Change And Chemical Change

Thus it can be understood that the primary difference between physical and chemical changes is that physical changes are reversible whereas chemical changes are usually not.

In physical substance the chemical composition remains the same whereas in chemical change the chemical composition is changed. There are many who would be tempted to say that a change is a change and why to bother to make a distinction between physical and chemical change. In a chemical change new products are formed whereas in physical change change in shape or size of the object may take place but no new products are formed. A physical change is a change in which the molecules of a substance are re arranged while their real composition remains unaltered.

When matter undergoes a chemical change it can t return to its original state without additional reactions. Key differences between physical and chemical change in a physical change no new substance is formed whereas in chemical change a new substance is formed. Physical change refers to a change in which the molecules are rearranged but their internal composition remains same. Difference between physical and chemical change is that physical change is a type of change in which the form of matter is altered but one substance is not transformed into another while chemical change is a process in which one or more substances are altered into one or more new and different substances.

Physical change a process in which a substance changes its state of matter but chemical bonds stay intact. Here are the basic definitions of chemical and physical changes. The key difference between physical and chemical change is that physical change merely changes the shape and size of the substance while chemical change produces altogether new substance. Physical change is usually the rapid change while the process of chemical change can be a time taking process.

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Physical change chemical change. A chemical change is a change in which the atom configuration of a substance completely changes and a new product substance is formed.