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OMEGA PUBLICATION-SAMPLE QUESTION PAPER -I (PUNJAB)-QUESTION
- C Cl4 is not hydrolysed but SiCl4 can be hydrolysed with water. Why ?
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- Give differences between electron affinity and electronegativity.
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- Explain the action of acidic buffer.
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- What is the difference between e.m.f. and potential diffrence?
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- State Hess's law. Give two applications of it.
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- Explain the deviations of real gases from ideal gases.
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- Explain Dalton's law of partial pressures and Charles’ law.
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- What are electrophiles and nucleophiies? Give two examples in each cas...
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- Describe permutit process for softening hard water.
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- Give the theory of manufacture of washing soda by Solvay’s process.
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- Alkali metals give blue solutions in ammonia. Why?
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- Calculate the volume of 4.4 g of CO2 at S.T.P.
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- Define empirical formula and molecular formula ? How are they related ...
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- Balance the following equations by oxidation no. method. MnO4^(-) + Fe...
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- Balance the following equations by oxidation no. method. S + HNO3 rarr...
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- Define oxidising agent and reducing agent on the basis of oxidation nu...
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- Distinguish between intermolecular and intramolecular H-bonds.
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- Distinguish between sigma and pi orbitals.
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- What are hybridisation states of each carbon atom in the following com...
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- Explain the shape of C2H4 molecule on the basis of hybridisation.
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