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What do you mean by a precipitation reac...

What do you mean by a precipitation reaction ? Explain by giving examples.

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The chemical reactions in which a solid product or precipitate is formed are called precipitation reactions. Examples are
`BaCl_(2)+Na_(2)SO_(4)rarrBaSO_(4)(darr)+2NaCl`
`FeCl_(3)+3NH_(4)OHrarrFe(OH)_(3)(darr)+3NH_(4)Cl`
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OSWAAL PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-NCERT CORNER (Textbook Exercises)
  1. Which of the statements about the reaction below are incorrect ? 2Pb...

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  2. Fe(2)O(3)+2Al to Al(2)O(3)+2Fe. The above reaction is an example of ...

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  3. What happens when dilute hydrochloric acid is added to iron fillings ?...

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  4. What is a balanced chemical equation ? Why should a chemical equation ...

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  5. Translate the following statements into chemical equations and then ba...

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  6. Balance the following chemical equation. (a) HNO(3)+Ca(OH)(2)rarrCa(...

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  7. Write the balanced chemical equations for the following reactions. ...

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  8. Write the balanced chemical equation for the following and identify ...

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  9. What does one mean by exothermic and endothermic reactions ? Give exam...

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  10. Why is respiration considered an exothermic reaction ? Explain.

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  11. Why are decomposition reactions called the opposite of combination rea...

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  12. Write one equation for decomposition reactions where energy is supplie...

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  13. What is the difference between displacement and double displacement re...

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  14. In the refining of silver, the recovery of silver from silver nitrate ...

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  15. What do you mean by a precipitation reaction ? Explain by giving examp...

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  16. Explain the following in terms of gain or loss of oxygen with two exam...

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  17. A shiny brown -coloured elemnt 'X' on heating in air becomes black in ...

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  18. Why do we apply paint on iron articles ?

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  19. Oil and fat containing food items are flushed with nitrogen. Why ?

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  20. Explain the following terms with one example each . (a) Corrosion ...

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