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Why the white washig gives shiny finish to the walls?

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VGS PUBLICATION-BRILLIANT-CHEMICAL EQUATIONS-EXERCISE
  1. What is meant by balanced equation ?

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  2. What do you meant by skeleton equation ? Give one example.

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  3. Why the white washig gives shiny finish to the walls?

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  4. Balance the following equations. 1) Na+O(2)rarr Na(2)O

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  5. Balance the following equations: H2O2 to H2O + O2

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  6. Balance the following equations. 3) Mg(OH)(2)+HCl rarr MgCl(2)+H(2)O

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  7. Balance the following equations. 4) Fe+O(2)rarr Fe(2)O(3)

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  8. Balance the follwowing equations. 1) Al(OH)(3)rarr Al(2)O(3)+H(2)O

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  9. Balance the follwowing equations. 2) NH(3)+CuO rarr Cu+N(2)+H(2)O

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  10. Balance the follwowing equations. 3) Al(2)(SO(4))(3)+NaOH rarr Al(OH...

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  11. Balance the follwowing equations. 4) HNO(3)+Ca(OH)(2)rarr Ca(NO(3))(...

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  12. Balance the follwowing equations. 5) NaOH +H(2)SO(4) rarr Na(2)SO(4)...

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  13. Balance the follwowing equations. 6) BaCl(2)+H(2)SO(4)rarr BaSO(4)+H...

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  14. Balance the following chemical equation. C(2)H(6)+O(2)rarr CO(2)+H(2)O

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  15. What do you mean by precipitation reaction ?

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  16. Why does respiration considered as an exothermic reaction ? Explain.

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  17. How do you write a chemical equation?

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  18. What are the important characteristics of chemical reactions?

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  19. Write some chemical equation occurring in our daily life.

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  20. How do you express the physical state of substances in the chemical eq...

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