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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- Which one is most important in fertilizer production?
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- A glass tube containing molten antimony breaks upon solidification of ...
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- Nitrogenformsoxides.
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- In the manufacture of safety matched, we use:
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- Nitrous oxide may easily be distinguished from nitric oxide by:
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- N2 combines with metal to form:
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- Nitrogen molecule is chemically less active because it has abetween tw...
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- Fixation of nitrogen means:
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- Sequence of acidic character is
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- The anhydride of nitrous acid is:
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- Ammonia is:
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- The oxidation states of phosphorus vary from:
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- A certain element forms a solid oxide which when dissolved in water fo...
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- Conc. HNO(3) , oxidises phosphorus to
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- Ammonia is generally manufactured for fertilizers by the reaction:
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- On heating copper nitrate stronglyis finally obtained.
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- Conc. HNO3 is heated with P2O5 to form:
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- NH3 gas is dried over:
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- Phosphorus pentoxide cannot be used to dry:
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- The hydrolysis of PCl3 produces:
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