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UNITED BOOK HOUSE-QUESTION PAPERS 2016-EXERCISE
- Determine the position of an element in long form of periodic table if...
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- Mention the name and position of two elements one of which is most ele...
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- Write the definition of entropy.
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- Write the name and structural formula of A in the following reaction C...
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- In two comounds of hydrogen and oxygen hydrogen present is 42.9% and 2...
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- Mention Heiscenberg's uncertainly principle. Calculate the uncertainty...
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- If the energy of first Bohr's orbit is - 13.58 eV of a hydrogen atom c...
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- Explain with reason : SnCl2 is a solid ionic compounds whereas SnCl4 i...
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- Explain the phenomenon : "When phenolphethaline is added to aqueous so...
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- Name IUPAC name of the following : underset(CH2OH)underset(|)underse...
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- Name IUPAC name of the following : CH3C Cl2-CH2-COOH
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- What is BOD? Write on harmful effect of it.
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- State and explain with a -suitable example the Hund's rule of maximum ...
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- "26Fe^(3+) is more stable than Fe^(2+). Explain why? Which is more par...
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- Which of the following two elements have a diagonal relation ship? Li,...
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- Between 29Cu and 19K which one has higher ionisation enthalpy and why?
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- Why the electron affinity of chlorine is higher than that fluorine?
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- Arrange the following oxides according to their increase acidity- LiO,...
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- Arrange the following compounds according to their increase of melting...
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- Which one is more polar NF3 or NH3? Explain
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