Class 7 Science Chapter 5 ‘Physical and Chemical Changes’ NCERT Solutions by Sciक्षक
Sciक्षक
Before trying to answer the NCERT exercise questions, you should have a thorough understanding of class 7 Science chapter 5 i.e. ‘Physical and Chemical Changes‘.
2024
Class 7 Science Chapter 5 ‘Physical and Chemical Changes’ Notes by Sciक्षक
Well, happy birthday in advance my children. So, did you and your friends have fun inflating balloons, cutting the cake, and eating it, giving and receiving gifts from one another?…
Class 7 Science Chapter 4 ‘Acids, Bases and Salts’ NCERT Solutions by Sciक्षक
Before trying to answer the NCERT exercise questions, you should have a thorough understanding of class 7 Science chapter 4 i.e. ‘Acids, Bases and Salts‘.
Class 7 Science Chapter 4 ‘Acids, Bases and Salts’ Notes by Sciक्षक
Things like lemon, orange, pineapple, and curd, are sour in taste because they contain acids in them. So, their chemical nature is acidic.
Class 7 Science Chapter 3 ‘Heat’ NCERT Solutions by Sciक्षक
Before trying to answer the NCERT exercise questions, you should have a thorough understanding of class 7 Science chapter 3 i.e. ‘Heat‘.