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UNITED BOOK HOUSE-MODEL QUESTION PAPER 3-EXERCISE
- What are fullerenes? How are they prepared?
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- Name IUPAC name of the following :
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- Name IUPAC name of the following :
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- Identify electrophilic centre in the following : CH3CHO andCH3CN.
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- Name two components of photochemical smog and mention one.of the harmf...
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- An atom of an element contains 2. 8 and 5 electrons in K, L and M shel...
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- An atom of an element contains 2. 8 and 5 electrons in K, L and M shel...
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- 2nd Ionisation potential of oxygen is greater than 2nd ionisation pote...
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- What is transitional element.
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- Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...
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- Atomic number of three elements A. B and C are 10, 13 and 17 respectiv...
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- Atomic number of three elements A. B and C are 10, 13 and 17 respecti...
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- Why Cl2 molecule exists but not Ne2 molecule.
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- Give an example of a molecule which violets octet rule.
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- Between N2O and NO2 molecules which one is more polar? Explain.
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- Mention the state of hybridasation of the .central atom in the followi...
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- Calculate the total pressure in a mixture of 8g of oxygen and 4 g of h...
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- What property of molecules of real gases is indicated by van der Waal’...
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- State and explain the first law of thermodynamics.
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- Deduce the relation between enthalpy and internal energy for gaseous s...
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