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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Explain why blue vitriol changes to white upon heating.
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- Which of the following gives CO2 on heating ?
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- Give the name of following functional group ROR"
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- Name the functional group present in methoxy methane
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- In brown ring test for nitrates, Fe^(2+) ion reduces NO3^- ion to .......
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- PCl5 in solid state exists as ionic compound having cation ..............
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- The strongest reducing agent among all the halide ions is ...............
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- In CIF3 and SF4, Cl involves............... hybridisation and S involv...
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- Give the name of functional group present in propanol.
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- Give the name of functional group present in aniline.
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- In XeF4, xenon involves.......... hybridisation and its shape is ........
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- 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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