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CHHAYA PUBLICATION-PREVIOUS YEAR QUESTION PAPER 2018-WBCHSE 2018 (SECTION II )
- State Gay Lussac's law related to pressure and temperature of a gas. 3...
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- Determine the volume of 2*2 g of caabon dioxide at 27^@C and 570 mm Hg...
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- Write Hess's law.
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- For the following reaction at 298K 2X + Y rarr Z DeltaH = 300 kj m...
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- What is the oxidation number of Mn in K(2) MnO(4) ?
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- Balance the following chemical equation by ion-electron method : Cr(...
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- Balance the following chemical equation by ion by oxidation number of...
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- What is the oxidation number of S in S8?
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- What is heavy water ?
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- With balanced chemichal equation , give an example of reducing propert...
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- Show two canonicals of benzene by drawing . Benzene is stored in a bo...
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- Between (CH3)3-C-Cland CH3-Cl which compound undegoes heterolystic fis...
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- State law of mass action.
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- What is buffer solutio? Give one example of acidic buffer. In which ca...
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- If the concentration of ammonia and ammonium chloride in a buffer solu...
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- Determine the pH of 0.1 M acetic acid solution . (pK(a) of acetic acid...
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- Why does dissociation rate H2S is decreased in presence of HCL in aque...
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- CO is more toxic than CO(2) because
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- Write with balanced chemical equation . what happens when aluminium is...
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- Write the mechanisum of the following reaction : CH4+ Cl2 overset(D...
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