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Give scientific reasons It is recomme...

Give scientific reasons
It is recommended to use air tight container for storing oil for long time.

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BAL BHARTI-CHEMICAL REACTIONS AND EQUATIONS-Exercise
  1. Explain the following terms with examples. Balanced equation

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  2. Explain the following terms with examples. Displacement reaction

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

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

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

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

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

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

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

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

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

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  12. Balance the following equation stepwise H2S2O(7(I))+H2O((I))rarrH2SO(...

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  13. Balance the following equation stepwise. SO(2(g))+H2S((aq))rarrS((s...

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  14. Balance the following equation stepwise. Ag((s))+HCl((aq))rarrAgCld...

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  15. Balance the following equation stepwise. NaOH((aq))+H2SO(4(aq))rarrN...

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  16. Identity the endothermic and exothermic reaction. HCl+NaOH rarr NaCl...

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  17. Identity the endothermic and exothermic reaction. 2 KClO(3(s)) overs...

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  18. Identity the endothermic and exothermic reaction. CaO+H2O rarr Ca(OH...

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  19. Identity the endothermic and exothermic reaction. CaCO(3(s)) overset...

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  20. Match the column in the following table

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