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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-PRACTIVE SET 11
- How will you separate CO and CO2 from a mixture?
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- Diamond is effectively an electrical insulator while graphite is a goo...
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- What is ammonal? Mention its use.
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- Although boric acid [B(OH)3 ] contains three -OH groups, yet it is spa...
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- Aqueous solution of BCl3 is acidic in nature-why?
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- Why do nitrogen and carbon monoxide show similarities in their physica...
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- Mention 3 similarities in the nature of B and Si.
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- If B-Cl bond has a dipole moment, explain why BCl3 molecule has a zero...
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- Write chemical equation for the preparation of urea.
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- Mention the use of borax.
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- When metal X is treated with sodium hydroxide, a white precipitate A i...
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- What happen when : A mixture of sand and sodium carbonate is melted ...
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- What happen when : At 200^@C and under high pressure, carbon monoxid...
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- What happen when : SiO2 is treated with HF.
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- Anhydrous aluminium chloride cannot be prepared by heating hydrated al...
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