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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Phosphorus reacts with nitric acid to form ......... acid.
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- Laughing gas is obtained on heating a mixture of NH4Cl and ......... b...
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- Hypophosphoric acidis......... basic but pyrophosphorous acid is ........
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- Orthophosphorous acid on heating gives ......... and ...........
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- The nitrogen oxide which is blue liquid below 253K................. is...
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- The formula of epsom salt is................ and that of baryte is ......
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- Choose the correct alternative: Reducing power of hydrides of group 16...
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- SF4 molecule has square planar /see saw geometry.
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- Nitrogen gas is obtained by heating ammonium nitrite/ammonium nitrate.
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- Both In2O3 and Tl2O3 are acidic/basic oxides.
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- In H2S2O8, the oxidation state of S is +6/+7.
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- The negative electron gain enthalpy of F is less/more than Cl.
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- Express 1815 in roman numbers.
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- Express 1816 in roman numbers.
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- HClO4 is less/more acidic than HClO3.
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- Hydrogen chloride gas can be dried over conc. sulphuric acid /phospho...
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- When Cl2 gas is passed through hot milk of lime, bleaching powder /cal...
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- Express 1817 in roman numbers.
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- Express 1818 in roman numbers.
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- Dipole moment of SO3 is higher /lower than that of SO2
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