Test final 7
Quiz
•
Chemistry
•
7th Grade
•
Hard
NICULAE ANCA
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dintre următoarele cuvinte, cel care reprezintă o substanță este:
cărămidă
pahar
cupru
aer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este un cristalizator:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În imagine nu se găsește:
Pipetă
Pahar Berzelius
Cilindru gradat
Pahar Erlenmeyer
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este o proprietate chimică:
Proprietatea soluției de apă cu sare de a conduce curentul electric
Proprietatea naftalinei de a sublima
Proprietatea cuprului de a conduce căldura
Proprietatea fierului de a rugini
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este un fenomen fizic:
Acrirea laptelui
Fierberea apei
Oțetirea vinului
Putrezirea resturilor vegetale
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este un amestec eterogen:
uleiul cu benzină
apa cu zahăr
alcool cu oțet
ulei cu apă
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amestecul omogen de apă cu sare se poate separa prin:
cristalizare
filtrare
decantare
distilare
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