August 2021 1 9 Report

6. У ряду гідроксидів LiOН - Ве(ОН)2 - Н3ВO3  -Н2СO3 найбільш сильною основою є:

aLiOH;                    

б) Ве(ОН)2;

в) Н3ВO3;                  

г) Н2СO3.

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