Which metal is used to remove air from v...

Which metal is used to remove air from vacuum tube?

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Calcium and Barium.

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AAKASH INSTITUTE- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)

Which metal is used to remove air from vacuum tube?
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A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...
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A : In esterification reaction , HCOOH is the most reactive acid among...
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A : Ethers can't be distilled upto dryness due to fear of explosion . ...
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A : Phenol does not react with NaHCO(3) . R : Phenol is less acid...
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A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...
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A : Diphenyl ether is prepared by Williamson synthesis . R : This...
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A : Grignard's reagent is prepared in the presence of ether . R :...
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A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...
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A : Two moles of Grignard reagent is consumed in the formation of ter...
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A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...
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A : Ortho - cresol is weaker acidic than meta-cresol . R : It is d...
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A : Among all ortho halophenol , fluorophenol is least acidic . R ...
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A : In esterification reaction alcohol act as nucleophile . R : ...
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A : Phenol is manufactured by Dow 's pocess. R : It involves the ...
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A : Primary alcohol is prepared by the reaction of primary amine with ...
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A : Thte reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for...
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A : The dehydration of ethyl alcohol in presence of Al(2)O(2) at 633 ...
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