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Answer the following questions : What ...

Answer the following questions :
What do you understand by a physical change ?

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NAVNEET PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-EXERCISE
  1. Name the following The product formed in the oxidation of ethyl alc...

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  2. Name the following How are the blackened silver utensils and patina...

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  3. Answer the following questions : What do you understand by a physica...

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  4. Answer the following questions : Define physical change.

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  5. Answer the following questions : Explain giving two examples of phys...

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  6. Answer the following questions : What do you understand by a chemica...

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  7. Answer the following questions : Define chemical change ?

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  8. Answer the following questions : Explain giving two examples of chem...

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  9. What is a chemical reaction ?

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  10. Explain the term reactant and product giving examples.

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  11. Answer the following questions : What is meant by a chemical equatio...

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  12. Answer the following questions : What is meant by a word equation?

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  13. Write down the physical states of reactants and prooducts in following...

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  14. Write down the physical states of reactants and prooducts in following...

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  15. Answer the following questions : Identify the reactants and products...

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  16. Answer the following questions : What is the importance of a chemica...

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  17. Answer the following questions : What are the conventions used in wr...

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  18. Answer the following questions : Explain the term balanced equation ...

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  19. Answer the following questions : Write the balanced equations for th...

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  20. Answer the following questions : Write the balanced equations for th...

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