NCERT Class 7 Science - Physical and Chemical Changes - Full Explanation QUICKLY

Today we are discussing the chapter Physical and Chemical Changes of Class 7 Science in NCERT.
The NCERT Class 7 Science Chapter on Physical and Chemical Changes introduces students to the different types of changes that matter can undergo. The chapter starts by defining physical changes as those that do not alter the chemical composition of a substance, while chemical changes are those that result in the formation of new substances.
The chapter goes on to discuss various examples of physical changes such as changes in state, changes in shape, and changes in size. It also explains the difference between reversible and irreversible changes.
The chapter then moves on to chemical changes and explains how they occur due to the breaking and forming of chemical bonds. It provides examples of chemical changes such as burning, rusting, and cooking. The chapter also explains the concept of exothermic and endothermic reactions.
Finally, the chapter discusses the importance of chemical changes in our daily lives, such as the production of food, medicines, and other useful products.
Overall, the NCERT Class 7 Science Chapter on Physical and Chemical Changes provides a comprehensive understanding of the different types of changes that matter can undergo and their importance in our daily lives.
Happy Learning, and Keep it Simple!
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[@vanshikasmitha2526]

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Vote of electric current and its effect

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