SOLUZIONI
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Hard
MARTINA NERI
Used 17+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
UNA SOSTANZA PURA E' UNA PORZIONE DI MATERIA COSTITUITA DA UNA SOLA SPECIE XHIMICA CON SPECIFICHE CARATTERISTICHE CHIMICO-FISICHE
VERO
FALSO
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
I 3 CRITERI DI PUREZZA DI UNA SOSTANZA PURA SONO:
HA UNA PRECISA TEMPERATURA DI FUSIONE/SOLIDIFICAZIONE
HA UNA SPECIFICA TEMPERATURA DI CONDENSAZIONE/EBOLLIZIONE
HA DENSITA' CARATTERISTICA
E' DUTTILE E MALLEABILE
I SUOI COMPONENTI POSSONO ESSERE SEPARATI
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
NESSUNA SOSTANZA PURA PUO'ESSERE ................IN SOSTANZE PIU'SEMPLICI
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
TROVA LE TRE SOSTANZE PURE TRA QUELLE ELENCATE DI SEGUITO
ACQUA
ACCIAIO
FERRO
DIAMANTE
GHIAIA
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
UAN LEGA E' UN MISCUGLIO
ETEROGENEO SOLIDO-SOLIDO
OMOGENEO SOLIDO-SOLIDO
SOLUZIONE CON SOLVENTE LIQUIDO E SOLUTO SOLIDO
OMOGENEO PURO
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
SI DEFINISCE SOSPENSIONE UN MISCUGLIO
ETROGENEO IN CUI I COMPONENTI SOLIDI RIMANGONO SOSPESI NEL LIQUIDO
OMOGENO IN CUI IL SOLIDO SI SCIOGLIE NEL LIQUIDO
OMOGENEO LIQUIDO-LIQUIDO
ETEROGENEO IN CUI UN GAS E' INTRAPPOLATO IN UN LIQUIDO
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
UN MISCUGLIO ETEROGENEOE' FORMATO DA DUE O PIU' SOSTANZE IN CUI LE ........ SONO PERFETTAMENTE DISTINGUIBILI
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