

Le soluzioni
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•
Chemistry
•
4th Grade
•
Hard
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4 Slides • 0 Questions
1
Le soluzioni
Quale tra le seguenti soluzioni, che hanno la stessa concentrazione, ha un pH debolmente basico:
KOH,
HNO3,
NH3,
HCl

2
Le soluzioni
Quale dei seguenti prodotti commerciale non ha carattere acido:
Birra,
Sapone da bucato,
Coca-cola,
Caffè
3
Le soluzioni
Quale dei seguenti miscugli è una soluzione liquida?
Acqua e ossigeno
Aria
Azoto e vapor d'acqua
Oro per gioielleria
4
Le soluzioni
Quale delle seguenti bevande non è una soluzione:
Vino
Acqua minerale non gassata
Spremuta d'arancia
Latte
Le soluzioni
Quale tra le seguenti soluzioni, che hanno la stessa concentrazione, ha un pH debolmente basico:
KOH,
HNO3,
NH3,
HCl

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