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USHA PUBLICATION-P-BLOCK ELEMENTS( GR-15,GR16,GR17,GR18)-EXERCISE
- Fluorine has less -ve value of electron gain enthalpy than chlorine. E...
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- Why are the Gr-18 elements called as inert gases ?
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- Write two uses of Helium.
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- Give the preparation of XeF2 and XeF4.
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- Discuss the trends in properties of hydrides of Gr-16 family (any thre...
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- How is SO2 prepared in the laboratory?
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- Describe the laboratory method of preparation of sulphur dioxide. How ...
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- How does SO2 react with Mg metal
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- How does SO2 react with acidified K2Cr2O7
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- Write all the members of halogen family.
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- What happens when Sulphur dioxide is passed through FeCl3 solution ?
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- What happens when O3 is passed through acidified SnCl2 solution ?
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- What happens when SO2 is passed thorugh aqueous solution of H2S?
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- What happens when SO2 is passed through chlorine water ?
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- Describe the Siemen's method of preparation of Ozone. How does it reac...
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- Describe the Siemen's method of preparation of Ozone. How does it reac...
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- What happens when Nal is heated with conc. H2SO4 ?
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- What happens when H2S gas is passed through conc. solution of ammonia ...
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- Why is H2SO4 a syrupy liquid ?
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- Write three anomalous behaviour of Nitrogen.
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