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Chapter 1 Chemical reaction and Equation

Taj Mahal 7th Wonders of the world made of white marbles but gradually as the time passes it colour changes to pale yellow due to chemical reactions, that took place with atmospheric gases and pollution. You have also noticed metal like copper, silver, aluminium get tarnished with time all  these are the example of chemical reactions. You will come across many such examples in our daily life such as curdling of milk, rusting of iron and more. When a chemical reaction takes place we observe certain changes in  state, colour, temperature and evolution of gas occurs . This chapter explain all facts  of chemical reaction  with various examples  i.e. combination, decomposition, displacement, double displacement, oxidation , reduction and  also covers the oxidation of metal and food.

Download pdf of NCERT Solutions for Class Science Chapter 1 Chemical reaction and Equation

Download pdf of NCERT Examplar with Solutions for Class Science Chapter 1 Chemical reaction and Equation

Exercise 1

Exercise 2

Exercise 3

Exercise 4 ( Page No. : 15-16 )