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V PUBLICATION-The p-BLOCK ELEMENTS-QUESTION BANK
- Give the formula and describe the structure of A.noble gas species whi...
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- Why do noble gas have comparatively large atomic sizes?
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- List the uses of neon and argon gases.
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- Except CO2 all other dioxides of group 14 exist as solid at room tempe...
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- Nitrogen does not form pentahalides, while other group members form. D...
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- Complete the following table: '(##VPSHSSCHE XIIC07E03003Q01##)'
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- Two allotropic forms of sulphur have same structure. i. Identify th...
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- Sulphur forms two chlorides, SCl2 and S2Cl2 Write a note on their prep...
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- The acidic strength of oxoacids of chlorine is in the order 'HClO4,HCl...
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- "Inter halogén compounds are. more reactive than the constituent halog...
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- In a role play, student A is named as Boron and student B is naméd as ...
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- Carbon and Silicon are present in the same group. Their dioxides CO2 a...
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- Phosphorus is an essential constituent of both the plants and animals....
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- Account for the' "play of-colours' shown by. sodium thiosulphate with-...
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- a, What are inter-halogen compounds? Give any two example. b. The numb...
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- PCl , is known but 'NCl5' is unknown. Why?
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- N2 is inert. Why?
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- Urea is used as a fertilizer. Why?
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- What is the reaction between ammonium and chloroplatinic acid?
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- Which property is made use of in separating red phosphorus from white ...
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