UNITED BOOK HOUSE-MODEL QUESTION PAPER 1-EXERCISE
- Density is an intensive property.Explain.
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- An 'ideal gas enclosed in a cylinder fitted with a piston of volume Zi...
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- What is the oxidation number of Fe in Fe (CO)s?
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- Balance the following chemical equation by ion electron method.IO3^(-)...
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- Balance the following chemical equation by oxidation number method : K...
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- Mention the oxidation number of two nitrogen atom in NH4NO3 molecule.
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- State one method to remove permanent hardness of water.
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- In the laboratory preparation of H2O2 a paste of BaO2 is used instead ...
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- Li2CO3 decomposes on heating to give CO2 but Na2CO3 does not decompose...
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- What is the action of heat on plaster of paris?
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- What is the hybrid state of BeCl2 in solid and vapour state?
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- Why are alkali metals not found in nature?
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- Benzyl chloride is much reactive in S(N)1 reaction , even though it is...
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- Draw the canonicals of CH3COOH and CH3C00^- In which case resonance is...
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- Which of the following compounds exhibit teuetomerism? C6H5COCH3, C6H5...
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- The dissociation equilibrium of AB2 gas is : 2AB2(g) overset (rarr)(la...
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- Explain the effect of pressure on the position of equilibrium of the f...
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- The solubility product of BaSO4 is 1.1 xx 10^-10 at 25^@C. Determine t...
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- Aqueous solution of FeCl3 is acidic .Explain.
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- Between two aqueous solutions of HA of strengths 0.1 (M) and 0.01(M) r...
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