Скачать или смотреть Chapter 6 (Physical and Chemical Changes) Class 7 SCIENCE NCERT (UPSC/PSC+CLASSROOM EDUCATION)

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This is chapter 6 of NCERT Science Class 7 Textbook titled Physical and Chemical Changes which details the difference between physical changes and chemical changes and also through many activities it has been shown that physical changes does not change the basic nature of the matter involved but it is not the same in the case of chemical changes which changes the basic nature of matter. The process of rusting of iron has been explained. The process of crystallization has been explained. Watch the video for more details regarding chapter 6 of science ncert textbook titled physical and chemical changes.

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