
triennio prova
Authored by Mari 4P
Chemistry
2nd Grade
Used 6+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
una soluzione di HF titolata con una di NaOH
una soluzione di NaOH titolata con una di HCl
una soluzione di HCl titolata con una di NH3
una soluzione di HCl titolata con una di NaOH
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
NaF
CaCl2
NaCl
KNO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1: enantiomeri; 2: diastereoisomeri; 3: equivalenti
1: equivalenti; 2: enantiomeri; 3: diastereoisomeri
1: diastereoisomeri; 2 e 3: enantiomeri
1: diastereoisomeri; 2: enantiomeri; 3: equivalenti
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1. Secondo la teoria VSEPR, la geometria della molecola AsCl3 è:
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Secondo la teoria VSEPR, quale delle seguenti affermazioni è ERRATA?
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Aggiungendo una mole di sodio metallico in un recipiente contenente svariati litri d’acqua, si ottiene:
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Indicare i coefficienti stechiometrici (in ordine sparso) necessari per bilanciare la seguente reazione: HIO3 + HI → I2 + H2O
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