Describe the phenomenon of physical and chemical change
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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
@hero of all us alok
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
@hero of all us alok
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