
Quiz on Pure Substances and Mixtures
Quiz
•
Education
•
8th Grade
•
Practice Problem
•
Hard
Elena Neagu
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este o substanță pură?
Un amestec de diferite substanțe
Substanță care nu este amestecată cu nimic altceva
Un tip de emulsie
O soluție de gaze
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următoarele este un exemplu de amestec?
Apă sărată
Argint
Oxigen
Aur
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de amestec este sarea dizolvată în apă?
Suspensie
Amestec omogen
Emulsie
Amestec heterogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este o soluție saturată?
Un amestec de două lichide
O soluție care nu poate dizolva mai mult substanță solubilă
Un tip de emulsie
O soluție care poate dizolva mai mult substanță solubilă
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care factor nu afectează solubilitatea?
Dimensiunea particulelor
Culoarea solubilității
Agitarea
Temperatura
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este o emulsie?
Un amestec de gaze
Un amestec de două lichide care nu se amestecă
Un tip de aliaj
O substanță solidă dizolvată într-un lichid
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este scopul unui emulgator?
De a crea o soluție gazoasă
De a filtra substanțele solide
De a dizolva substanțele solide în lichide
De a stabiliza un amestec de două lichide
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