
Evaluare privind Reacția de Schimb
Quiz
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others
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Practice Problem
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Hard
Anisoara Filip
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este obiectivul principal al studierii reacțiilor de schimb în laborator?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce echipament de laborator este esențial pentru a observa o reacție de schimb?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce măsură de siguranță NU este de obicei necesară pentru acest experiment de laborator?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce se observă când se adaugă soluție de carbonat de sodiu la soluția de sulfat de cupru(II)?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De ce este important să echilibrăm ecuațiile chimice în reacțiile de schimb?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce indică faptul că a avut loc o reacție chimică în acest experiment de laborator?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce pas important trebuie făcut înainte de începerea experimentului?
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