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Write with balanced chemical equation . ...

Write with balanced chemical equation . what happens when aluminium is heated with concentrated aquous solution of cautstic potash.

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CHHAYA PUBLICATION-PREVIOUS YEAR QUESTION PAPER 2018-WBCHSE 2018 (SECTION II )
  1. State Gay Lussac's law related to pressure and temperature of a gas. 3...

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  2. Determine the volume of 2*2 g of caabon dioxide at 27^@C and 570 mm Hg...

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  3. Write Hess's law.

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  4. For the following reaction at 298K 2X + Y rarr Z DeltaH = 300 kj m...

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  5. What is the oxidation number of Mn in K(2) MnO(4) ?

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  6. Balance the following chemical equation by ion-electron method : Cr(...

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  7. Balance the following chemical equation by ion by oxidation number of...

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  8. What is the oxidation number of S in S8?

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  9. What is heavy water ?

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  10. With balanced chemichal equation , give an example of reducing propert...

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  11. Show two canonicals of benzene by drawing . Benzene is stored in a bo...

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  12. Between (CH3)3-C-Cland CH3-Cl which compound undegoes heterolystic fis...

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  13. State law of mass action.

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  14. What is buffer solutio? Give one example of acidic buffer. In which ca...

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  15. If the concentration of ammonia and ammonium chloride in a buffer solu...

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  16. Determine the pH of 0.1 M acetic acid solution . (pK(a) of acetic acid...

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  17. Why does dissociation rate H2S is decreased in presence of HCL in aque...

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  18. CO is more toxic than CO(2) because

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  19. Write with balanced chemical equation . what happens when aluminium is...

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  20. Write the mechanisum of the following reaction : CH4+ Cl2 overset(D...

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