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R SHARMA-THE P BLOCK ELEMENTS-QUESTION BANK
- Which among the follwoing is paramagnetic?
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- HI can be prepared by all the following methods except
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- Noble gases do not react with other elements because
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- Polyanion formation is maximum in
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- Which of the following species has four lone..
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- which of the having fluorides doesnot exist.
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- Maximum strength of gtdrogen bonding is shown by
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- Which of the following bonds will be most polar?
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- H(3)PO(2) is the molecular formula of an acid of phosphorus. Its name ...
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- Nitriogen is relatively inactive element because
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- The bleaching action of chlorine is due to
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- Pure nitrogen is prepared in the laboratory by heating a mixture of
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- PH(4)I+NaOH rarr? The product is
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- PCI(3) reacts with water to yield
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- Basicity of orthophosphoric acid is
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- whenP(2)O(5) is heated with water the product is
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- Aqueous solution of ammonia consists of
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- Bleaching powder reacts with a few drops of conc.HCl to yield
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- it is possible to obtain oxygen from air by fractional distillation be...
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- Which of the following is a nitric acid anhydride?
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