Question

State four characteristics each of physical and chemical change. ​

Answer 1

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In the physical change, alteration in the physical characteristics of the substance is saw, such as size, shape, texture, smell, appearance, density and so on. On the other hand, chemical change includes the alteration in chemical properties of the substance, i.e. change in its chemical nature.

Answer 2

Answer:

characteristics of physical change

1. it is temporary and general reversible
2. no new substance is formed
3. only physical properties like shape size colour and state change during a physical change
4. general no augural change in energy takes place.

characteristics of chemical change

1. one or more new substance are formed
2. both physical and chemical properties of substance change
3. it is permanent and cannot be reversed by simple physical methods
4. a large amount of heat or light is released or absorbed during a chemical change does overall change is energy takes place.