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What is Calgon ?...

What is Calgon ?

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CHHAYA PUBLICATION-PREVIOUS YEAR QUESTION PAPER 2017-WBCHSE 2017 (SECTION II)
  1. Balance the equation by ion-electron method : MnO(4)^(-) + SO(2) + ...

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  2. BaO(2) is a peroxide , but MnO(2) is not a peroxide Explain .

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  3. What is Calgon ?

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  4. What happens when LiNO(3) is strongly heated ? Write down the equation...

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  5. Which two alkaline earth metals cannot be identified by flame test ?

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  6. Write down the perparation of Plaster of Paris with equation .

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  7. Is-2- hydroxypropanoic acid optically active ? Explain .

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  8. 20 g of NaOH is present in 250 mL of H(2) O . Calculate the active ma...

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  9. State Le-Chateliers principle.

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  10. N(2) (g) + 3 H(2) (g) hArr 2 NH(3) (g) NH(3) is x . Express K(p) of ...

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  11. Is aqueous solution of Borax basic ? Explain .

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  12. Calculate the pH of 0.05 (M) H(2) SO(4) solution .

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  13. What is the formula of conjugate base of [Al (H(2)O)(6)]^(3+) ?

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  14. C Cl4 does not undergo hydrolysis but SiCl4 undergoes ready hydrolysis...

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  15. What happens when boric acid solution is mixed with KHF(2) solution ? ...

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  16. Draw one canonical structure of O(2) .

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  17. Draw structural formula of compound from A to F . CH(3) - CH = CH - ...

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  18. Draw structural formula of compound from A to F . CHCl(3) overset(" ...

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  19. Convert : 2- propanol to 1 - proponal

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  20. Convert : 2-butene to ethane

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