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- Why do transition metals have high enthalpies of atomization ?
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- In the series Sc(Z = 21) to Zn(Z =30), the enthalpy of atomisation of ...
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- Why transition elements form a number of alloys ?
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- The transition metals and many of their compounds show paramagnetic be...
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- Why Zn, Cd, Hg are soft and have low m.pt.
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- A pressure cooker reduces cooking time because :
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- which of the following mode of expressing the concentration is indepen...
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- Which is not a colligative property?
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- An aqueous solution of 0.5 g of NaOH is dissolved in 500 cm^3 of the s...
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- Which is the least polarisable among all the noble gases?
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- The number of unpaired electrons in Ni^(3+). is
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- In which of the following complexes, the metal ion is in zero oxidatio...
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- The oxidation number of iron in K4[Fe (CN)6] is :
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- Phenol upon distiliation with zinc dust gives :
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- When CH3 CH2 CH2 CO ONa is heated with sodalime (NaOH + CaO), the hydr...
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- P is Molecular formula of aldehyde is
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- Strongest acid is
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- A strong base can extract an alpha-hydrogen from
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- Which of the following is a 3^@ amine ?
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- Acid anhydride on reaction with 1^@ amine gives
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