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STICLA
Quiz
•
Instructional Technology
•
7th Grade
•
Practice Problem
•
Hard
Mariana Riclea
Used 2+ times
FREE Resource
Enhance your content in a minute
15 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Oxidul de ............... reduce duritatea, dar ușurează prelucrabilitatea în cazul obținerii unor ornamente complicate.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Au o acțiune de limpezire, de curățire a masei de sticlă de bulele de gaze.
coloranți
afinanți
decoloranți
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Conductele din sticlă utilizate în industria chimică și alimentară trebuie să asigure stabilitate termică și .......................... .
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Sticla ....................... se folosește la fabricarea lentilelor pentru ochelari sau pentru aparatură medicală și științifică.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Conferă sticlei culoarea dorită.
afinanți
coloranți
decoloranți
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Yena este o sticlă rezistentă la variații de ................................... .
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Din sticla pentru ............................................ se fabrică fiole pentru ambalarea medicamentelor, a eprubetelor.
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