The p-Block Elements

Bihar Board Class 12 · Chemistry · 73 past questions

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1. Q51 2018

   The product obtained when silica reacts with hydrogen fluoride is-

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2. Q58 2018

   Silicon shows only +4 oxidation state but it shows both +2 and +4 oxidation states both. Why?

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3. Q64 2016

   Chemical name of borax is

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4. Q65 2016

   Good conductor of electricity and heat is

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5. Q66 2016

   In which of the following allotropes of carbon, percentage of carbon is maximum?

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6. Q67 2016

   The hybridization of carbon in diamond is

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7. Q70 2015

   Which one of the following is the strongest Lewis acid?

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