explain physical changes and chemical change , write their difference between too?
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Physical changes:-
- A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.
Chemical changes:-
- The explosion of fireworks is an example of chemical change. During a chemical change, substances are changed into different substances. Another words, the composition of the substance changes.
Difference:-
- A chemical change is a permanent change. A Physical change affects only physical properties i.e. shape, size, etc. Some examples of physical change are freezing of water, melting of wax, boiling of water, etc. A few examples of chemical change are digestion of food, burning of coal, rusting, etc.
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Question ::-
1. explain physical changes and chemical change , write their difference between too?
Required answer ::-
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Physical changes ::-
- In physical change there is only changes in physical properties of an object
- In physical change no new substance is formed.
- Physical physical change is a temporary change.
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Chemical changes ::-
- In chemical change there is new substance formed .
- Chemical change is a permanent change.
- Examples of chemical change is change in temperature
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