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Chemical Reaction and Equation

Last Updated on April 7, 2023 By Mrs Shilpi Nagpal

Question 1 What is meant by chemical reaction. Give one example of Chemical reactions? Question 2 What are reactants? Question 3 What are products? Question 4 Why should magnesium ribbon be cleaned before burning in air? Chemical Reaction and Equation Chemical reactions are the processes in which new substance with new properties are formed. Only a rearrangement … [Read more...] about Chemical Reaction and Equation

Atoms and Molecules

Last Updated on April 7, 2023 By Mrs Shilpi Nagpal

Law of conservation of mass

Question 1 Which Indian philosopher suggested that all matter is composed of ver small particles. What name was given by him to these particles? Question 2 What is law of conservation of mass? Give example? Question 3 What is meant by law of constant proportion? Give example? Question 4 Name the scientist who gave law of conservation of mass? Question 5 Name the … [Read more...] about Atoms and Molecules

Chemical Equation

Last Updated on April 7, 2023 By Mrs Shilpi Nagpal

Question 1 What is a chemical equation? Question 2 Give an example of chemical equation? Question 3 What is a balanced equation? Question 4 What is an unbalanced equation? Question 5 What are the steps of balancing the equation? Chemical Equation The method of representing a chemical reaction with the help of symbols and formula is called chemical … [Read more...] about Chemical Equation

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