What are physical and chemical changes?skating of light flight
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physical change when in a process no new substance is formed
chemical change when two or more elements react with each other to form a new substance with completely different properties this is known as chemical reaction .........in physical reaction state colour temperature doesn't change ...........in chemical reactions state colour temperature also changes with evolution of gas and formation of a precipitate ..........hope helps if plz mark as brainiest
chemical change when two or more elements react with each other to form a new substance with completely different properties this is known as chemical reaction .........in physical reaction state colour temperature doesn't change ...........in chemical reactions state colour temperature also changes with evolution of gas and formation of a precipitate ..........hope helps if plz mark as brainiest
Answered by
1
physical change when in a process no new substance is formed
chemical change when two or more elements react with each other to form a new substance with completely different properties this is known as chemical reaction .........in physical reaction state colour temperature doesn't change ...........in chemical reactions state colour temperature also changes with evolution of gas and formation of a precipitate ..........hope helps if plz mark as brainiest
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