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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
- List two uses each from neon & argon gases.
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- Name a molecule in which oxidation state of oxygen is +2.
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- Write the reaction of thermal decomposition of sodium azide.
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- What happens when, concentrated H2SO4 is added to calcium fluoride.
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- PH3 has lower boiling point than NH3. Why?
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- Nitrogen exists as diatomic molecule and phosphorous as P4.
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- How will you account for the following: NF3 is an exothermic compound ...
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- Present a comparative account of the following: Bond angle of H2O and ...
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- Present a comparative account of the following: Electron affinities of...
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- Why is helium used in inflating aeroplane tyres?
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- Name the noble gas which is radioactive.
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- Answer the following: Which reaction was used by Bartlett to prepare t...
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- Name the noble gas which is most abundant in atmosphere.
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- What happens when SO3 is passed through water?
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- Account for the following: the acidic strength of the hydrides of gro...
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- Arrange the following groups of substances in the order of the propert...
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- Arrange the following in increasing order if acid strength: HCl, HI, H...
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- What happens when ammonium nitrate is heated?
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- Name the noble gas that forms majority of the known noble gas compound...
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- HF is not stored in glass bottles but is kept in wax bottles. Why?
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