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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Which one of the following is a conductor in the solid state ? ( a )...
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- Justify the position of carbon and lead in the periodic table on the b...
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- Explain why diamond is a bad conductor while graphite is a good conduc...
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- State the number of neutrons and protons present in C^12 and C^14.
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- What is allotropy ?
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- Write general trends in properties of Group 13 elements of boron famil...
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- Write the principle of preparation and two uses of the following : (...
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- Give a comparative account of Group 14 (Carbon Family ) elements of th...
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- Name the elements included in IVA group (Carbon Family ) of the period...
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- Write a note on " Allotropic modifications of carbon ".
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- Write notes on silicones.
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- Orthoboric acid is heated to red hot gives :
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- An aqueous solution of borax is :
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- B(OH)3 is a:
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- Anhydrous aluminium chloride exists as:
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- Boric acid is polymeric due to
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- From B2H6 all the following can be prepared except :
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- In diborane molecule,
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- Which of the following does not give Borax bead test ?
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- BF3 is an acid according to :
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