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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- Which of the following does not have a tetrahedral structure ?
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- Elements of group 13 form oxides of the general formula :
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- Which shows inert pair effect ?
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- Boric acid is not used as :
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- Boron nitride on reacting with caustic alkali gives:
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- B-H-B bridge in B2H6 is formed by the sharing of :
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- Which is false in case of BF3 ?
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- Eka aluminium is :
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- Which is used in high temperature thermometry ?
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- B2O3is :
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- Diaspore is:
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- The boron, carbon, nitrogen and oxygen have their increasing ionisatio...
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- On the addition of mineral acid to an aqueous solution of borax, the c...
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- NaBH4 is used in organic chemistry to covert :
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- Lead is not affected by dilute HCl in cold, because:
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- An insulator is :
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- Which of the following is amphoteric ?
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- Which is neutral to litmus?
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- Which can be directly brought into solid state from gaseous state ?
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- Which is/are fire extinguishers?
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