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What is meant by valency of elements?...

What is meant by valency of elements?

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BAL BHARTI-CHEMICAL REACTIONS AND EQUATIONS-Exercise
  1. What is meant by valency of elements?

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  2. Choose the correct option from the bracket and explain the statement g...

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  3. Choose the correct option from the bracket and explain the statement g...

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  4. Choose the correct option from the bracket and explain the statement g...

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  5. Choose the correct option from the bracket and explain the statement g...

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  6. What is the reaction called when oxidation and reduction take place si...

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  7. How can the rate of the chemical reaction namely decomposition of hydr...

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  8. Explain the term reactant and product giving examples.

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  9. Explain the types of reaction with reference to oxygen and hydrogen.Il...

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  10. Explain the similarity and difference in two events,namely adding NaOH...

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  11. Explain the following terms with examples. Endothermic reaction

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  12. Explain the following terms with examples. Combination reaction

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  13. Explain the following terms with examples. Balanced equation

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  14. Explain the following terms with examples. Displacement reaction

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  15. Give scientififc reasons When the gas formed on heating limestone is...

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  16. Give scientific reasons It takes time for pieces of shahabad tiles ...

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  17. Give scientific reasons While preparing dilute sulphuric acid from ...

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  18. Give scientific reasons It is recommended to use air tight containe...

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  19. Observe the following picture a write down the chemical reaction with ...

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  20. Identify from the following reactions the reactants that undergo oxida...

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  21. Identify from the following reactions the reactants that undergo oxida...

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