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''Coal is burnt'', ''crackers are burnt'...

''Coal is burnt'', ''crackers are burnt'' …………. Changes
Are they physical (or) chemical changes?

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VGS PUBLICATION-BRILLIANT-CHEMICAL EQUATIONS-EXERCISE
  1. What changes do you notice generally?

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  2. ''Coal is burnt'', ''crackers are burnt'' …………. Changes Are they phy...

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  3. Are they (coal, crackers) temporary changes or permanent changes?

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  4. What can be interpreting from a chemical equation ?

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  5. Why should we balance a chemical equation?

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  6. Balance the following chemical equations. a) NaOH+H(2)SO(4)rarr Na(2...

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  7. Balance the following chemical equations. d) KClO(3)rarr KCl +O(2)

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  8. Balance the following chemical equations. b) Hg(NO(3))(2)+KI rarr Hg...

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  9. Balance the following chemical equations including the physical states...

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  10. Balance the following chemical equations including the physical states...

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  11. Balance the following chemical equations including the physical states...

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  12. Write the balanced chemical equations for the following and identify t...

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  13. Write the balanced chemical equations for the following and identify t...

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  14. Balance the chemical equation by including the physical states of the ...

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  15. Balance the chemical equation by including the physical states of the ...

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  16. 2 moles of Zinc reacts with a cupric chloride solution containing 6.02...

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  17. 1 Mole of propane (C3H8) on combustion at STP gives 'A' kilo joules of...

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  18. Calculate the mass and volume of oxygen required at STP to convert 2.4...

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  19. How do you test the nature of the solution formed by dissolving CaO in...

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  20. Explain the reaction between sodium sulphate and Barium chloride.

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