Accountancy, asked by surya48, 1 year ago

Describe the phenomenon of physical and chemical change

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Answered by Anonymous
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hii here you answer___


physical change the temporary change which changes the physical appearance of a substance but its chemical composition remains unchanged


characteristics of physical change

☆ it is a temporary change .


☆ chemical composition and properties of substances remains unchanged

☆ there are may be changed in safe side state colour Voicemail of a substance undergoing a physical change

☆ no new substance is formed in any physical change

☆ there are may or may not be any exchange of energy during a physical change.

a chemical is a permanent change in which new and different substance having different composition and properties from those of the original substance from the chemical change is usually Irreversible.


characteristics of chemical change


☆ a chemical change is a permanent change and it cannot be reversed easily


☆ one or more new substance are formed in a chemical change

☆ the composition and properties of the original substance change during a chemical change


☆ there is usually a change in the mass of the initial substance


☆ large amount of energy is either absorbed or released in the form of heat or light.

hope its help you


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