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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Oleum is formed when............ is passed through conc. H2SO4.
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- The two neutral oxides of nitrogen are........... and ...............
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- Give two examples of ketone.
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- Among group 15 hydrides, ........... is most stable.
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- P4O6 and P4O10 dissolve in water to give ......... and .........
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- Calcium cyanamide is used as fertilizer under the name .............
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- The number of unpaired electron in aluminium is .....
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- Write balanced equations for the following : Phosphorus is treated wit...
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- Laughing gas is obtained on heating a mixture of NH4Cl and ......... b...
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- Draw lewis structure of flourine ion (F-)
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- Orthophosphorous acid on heating gives ......... and ...........
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- Draw lewis structure of Ca2+
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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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- SF6 molecule has ......................... geometry.
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- Nitrogen gas is obtained by heating ammonium nitrite/ammonium nitrate.
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- What is the composition of grapes?
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- In H2S2O8, the oxidation state of S is +6/+7.
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- The number of electrons present in M shell of aluminium is ........
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- The ion that is isoelectronic with CO is ............
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