The most electropositive element is :...

The most electropositive element is :

A

Ga

B

Al

C

Ti

D

B

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The correct Answer is:

B

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MBD PUBLICATION-SOME P-BLOCK ELEMENTS-QUESTION BANK

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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on heating Al at 800^(@)C in air, Al2 O3 is formed. The reaction is :
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Borax is :
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Sapphire is a mineral of :
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Borax on heating with cobalt oxide forms a blue bead of :
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Alumina on heating with carbon in nitrogen atmosphere gives :
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Hoope's process is used in the refining of :
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The correct order of decreasing hardness of the following compound is ...
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When Al is added to potassium hydroxide solution :
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Purification of alumina is essential because :
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Boron carbide,B4C is widely used for :
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Which reaction cannot give anhydrous AlCl3 :
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