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PRADEEP-SOME p-BLOCK ELEMENTS-Competition Focus (JEE( Main and Advanced)/Medical Entrance) (1. Multiple Choice Questions) II. Group 14 Elements
- Which of the following oxidation states are the most characteristics f...
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- It is because of inability of ns^(2) electrons of the valence shell to...
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- vii. The stability of dihalides of Si, Ge , Sn and Pb increases stead...
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- Which of the following oxides is not expected to react with sodium hyd...
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- In which of the following arrangements the given sequence is not stric...
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- Supercritical CO(2) is used as
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- which of the following oxide is amphoteric ?
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- Water transpoted through Lead pipes becomes poisonous due to the forma...
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- Litharge is chemically
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- When PbO(2) reacts with conc. HNO(3) the gas evolved is
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- When formic acid is heated with concentrated H(2)SO(4), the gas evolve...
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- Among the following the maximum covalent character is shown by the com...
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- PbCl(2) is insoluble in cold water. Addition of HCl increases its solu...
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- Soldiers of Napolean army while at alps during freezing winter suffere...
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- The lead of lead pencils melts at
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- Which one of the following allotropic forms of carbon is isomorphous w...
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- The hybridisation of C in diamond , graphite and ethyne in ord...
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- In graphite and diamond, the percentage of p-characters of the hybrid ...
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- The repeating structural unit of silicone is
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- The straight chain polymer is formed by
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