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What is a chemical equation? Why it is n...

What is a chemical equation? Why it is necessary to balance it?

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ICSE-THE LANGUAGE OF CHEMISTRY-EXCERCISE 1 (B)
  1. What is a chemical equation? Why it is necessary to balance it?

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  2. State the information conveyed by the following equation. Zn(s) +2H...

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  3. What is the limitation of the reaction given Zn(s) +2HCl (aq) to Zn...

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  4. Write a chemical equation for the following word equation and balance ...

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  5. Write chemical equation for the following word equation and balance th...

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  6. Write chemical equation for the following word equation and balance th...

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  7. Write chemical equation for the following word equation and balance th...

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  8. Write chemical equation for the following word equation and balance th...

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  9. Write the balanced equation for the following chemical reactions. (i...

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  10. Balance the following equation : Fe + H2O to Fe3O4 + H2

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  11. Balance the following equation : Ca + N2 to Ca3 N2.

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  12. Balance the following equation : Zn + KOH to K2ZnO2 + H2

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  13. Balance the following equation : Fe2O3 + CO to Fe + CO2.

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  14. Balance the following equation : PbO + NH3 to Pb + H2O + N2.

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  15. Balance the following equation : Pb3O4 to PbO + O2.

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  16. Balance the following equation : PbS + O2 to PbO + SO2.

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  17. Balance the following equation : S + H2SO4 to SO2 + H2O.

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  18. Balance the following equation : MnO2 + HCl to MnCl2 + H2O + Cl2.

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  19. Balance the following equation : C + H2SO4 to CO2 + H2O + SO2.

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  20. Balance the following equation : KOH + Cl2 to KCl + KClO + H2O.

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