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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK
- The role of fluorspar (CaF2) which is added in small quantities in the...
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- The correct Lewis acid order for boron halides is :
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- In Gold Schmidt reaction , certain metallic oxides are reduced to the ...
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- The hardest compound of boron is :
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- In the reaction LiH+AlH3 rarrLiAlH4, AlH3 and LiH acts as :
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- Aluminium appears like gold when it is mixed with :
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- In the electrolysis of alumina, cryolite is added to :
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- Al2O3 formation involves large quantity of heat evolution which makes ...
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- Al and Ga have the same covalent radii because of:
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- Al-Bronze contains Al and :
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- Which is used as mordant ?
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- Corundum is :
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- Aqueous solution of potash alum is :
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- The most electropositive element is :
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- Alumina is the nature of :
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- All allums contain
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- The weakest Lewis acid is :
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- Metal protected by a layer of its own oxide is :
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- When orthoboric acid (H3BO3) is heated the residue left is :
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- Molecular weight of anhydrous aluminium chloride is :
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