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ERRORLESS-THE P -BLOCK ELEMENTS (NITROGEN, OXYGEN, HALOGEN AND NOBLE FAMILY)-PAST YEARS QUESTIONS
- When orthophosphoric acid is heated to 600^(@)C the product formed is
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- Which oxide of nitrogen is not a common pollutant introduced into the ...
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- Match the following
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- The number of moles of hydrogen molecules required to produce 20 moles...
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- The incorrect statement among the following is
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- Which of the following bonds has the highest energy?
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- Oxygen does not react with
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- Identify the incorrect statement with respect to ozone.
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- Shape of O(2)F(2) is similar to that of
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- Nitrogen dioxide and sulphur dioxide have some properties in common, w...
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- H2 SO4 acts as dehydrating agent in its reaction with
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- Roasting of sulphides gives the gas X as a by product. This is a colou...
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- Which of the following is not suitable for use in a desiccator to dry ...
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- Peroxydisulphuric acid has which of the following bond ?
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- Which of the following is a the most preferred and hence of the lower ...
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- Sulphur trioxide can be obtained by which of the following reactions :
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- In which pair of ions both the species contain S -S bond?
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- Which is the correct thermal stability order of H(2)E(E=O,S,Se,Te and ...
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- Which of the following statements is not true
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- Metal halide which is insoluble in water is
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